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Home » Triple-Nitrogen Liquid Fertilizer & OEM Supply Guide

Triple-Nitrogen-Source Liquid Fertilizer: OEM & Customization Guide for UAN 32 and ASN Programs

A triple-nitrogen-source liquid fertilizer delivers nitrogen in three chemical forms — urea nitrogen, ammonium nitrogen, and nitrate nitrogen — inside a single liquid carrier, so one product can serve both immediate and extended nitrogen demand. Risso® UAN 32-0-0 is the reference example: 32% total nitrogen as a clear to slightly yellow liquid, with a density of approximately 1.32–1.34 g/cm³ at 20 °C, a pH typically between 7.0 and 8.0, and a freezing point around −10 °C.

Chemistry is rarely what stalls a nitrogen order. Buyers in the evaluation and execution stage normally stall on capability: can one supplier deliver a triple-source liquid and a dual-source granular product, customize the specification or packaging for the buyer’s application equipment, document compliance for the destination market, and then repeat that supply on a predictable cycle? This guide answers those questions using verified product, certification, capacity, and commercial data. It is written for importers, distributors, agronomy teams, and procurement managers who have already finished discovery and now need to decide.

Quick answer: Taian Risso Chemical Co., Ltd. (Risso Chemical) manufactures both a triple-nitrogen-source liquid nitrogen fertilizer (UAN 32-0-0, 32% N) and a dual-nitrogen synergy granular fertilizer (ASN 26-0-0+13S, approximately 26% N and 13% S) from the same production base, provides ODM, OEM, and customizable production services, and quotes from an MOQ of 100 tons with a standard lead time of 30–45 days.

Warehouse-1
Triple-nitrogen-source liquid nitrogen fertilizer (UAN 32) held in IBC units at the Risso Chemical finished-goods warehouse.

Problem Definition: Why OEM Nitrogen Programs Stall Between Evaluation and Execution

Nitrogen sourcing problems seldom appear at the quotation stage. They surface later, in three recognizable patterns that separate a workable program from an expensive compromise.

Formulation mismatch. A supplier can quote a nitrogen price but cannot adjust the nitrogen form profile. A buyer who needs nitrate nitrogen for fast availability plus ammonium and urea nitrogen for staged release ends up blending single-source materials on site, which adds handling steps, increases segregation risk in dry blends, and makes batch traceability harder.

Application-form mismatch. Liquid and granular nitrogen serve different field operations. A fertigation block needs a metered liquid with solution stability and known density; a mechanized spreading pass needs uniform granules of a defined size. When one supplier covers only liquid or only granular, the buyer is forced into two contracts, two lead times, and two quality systems for what is functionally one crop nutrition program.

Execution mismatch. The capability gap that hurts most is operational, not agronomic: no private-label or specification customization, packaging that does not match the receiving terminal, limited monthly output during the application window, or documentation that does not cover the destination market. Buyers then discover the constraint after the trial container has been approved.

The practical consequence is a familiar sequence: split sourcing across two or three vendors, a specification that quietly shifts between the sample lot and the bulk shipment, and an application window that closes while containers wait.

Industry Background: Nitrogen Procurement Is Moving From SKU Buying to System Specification

Three structural signals explain why buyers now evaluate nitrogen suppliers as systems rather than as single products.

Liquid nitrogen is a large and growing commercial category. Market research published by SNS Insider values the global liquid fertilizers market at USD 15.49 billion in 2025, with nitrogen identified as the largest revenue contributor. Note that headline market figures vary by definition: some research firms report totals that exclude commodity Urea Ammonium Nitrate, which produces sizeable differences between published estimates. Treat any single figure as directional and use it for scale, not for forecasting a specific purchase.

Regulation is pushing efficiency, not volume. EU nitrogen targets recommend a 20% reduction in chemical fertilizer use to meet Green Deal nutrient-loss goals by 2030 (Re Soil Foundation / Nature Food). For suppliers and buyers alike, that shifts the commercial conversation from tons applied to nitrogen delivered per unit of loss — which favors products and application methods that can be metered precisely.

Liquid handling carries its own capital cost. UAN infrastructure costs are approximately double those of dry storage, largely because of stainless steel requirements (Mordor Intelligence, referencing US EPA material). That single fact changes the economics of program design: a liquid component must justify its tank and handling investment through application precision, labor savings, or a broader product mix.

Taken together, these signals mean that a supplier evaluation now has to answer four questions before price: which nitrogen forms can be supplied, in which physical forms, with what customization latitude, and with what documentation and lead-time reliability.

Detailed Solution: The Risso Chemical OEM Capability Set for Liquid and Granular Nitrogen

TAIAN RISSO CHEMICAL CO., LTD., commonly referred to as Risso Chemical, is a national high-tech enterprise established in 2007. The company is located in the High-tech Development Zone, Taian City, Shandong Province, China, and operates a factory area of about 500,000 square meters. It has 16 modern NPK fertilizer production lines and an annual production capacity of approximately 2 million tons of fertilizer. The company employs about 350 people, including an R&D team of 50 engineers.

Risso Chemical’s stated business model covers R&D, production, sales, and technical services for fertilizer and crop nutrition solutions. The product portfolio includes NPK fertilizers, UAN 32 solutions, ASN fertilizers, Calcium Ammonium Nitrate, liquid fertilizers, controlled-release fertilizers, slow-release fertilizers, and specialty fertilizers. It also produces compound fertilizer, water-soluble fertilizer, and polymer-coated fertilizer product categories. This range is relevant for buyers because it indicates that liquid and granular nitrogen fertilizers are not isolated experiments; they sit inside a broader fertilizer manufacturing system.

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Granular dual-nitrogen fertilizer (ASN 26-0-0+13S) in IBC packing, prepared for export shipment.

Manufacturer profile

Taian Risso Chemical Co., Ltd. (Risso Chemical) is a national high-tech enterprise engaged in the R&D, production, sales, and technical service of advanced fertilizer and crop nutrition solutions. The company was founded in 2007 and operates from a 500,000 m² site in the High-tech Development Zone, Taian City, Shandong Province, China, with 350 employees, a 50-engineer R&D team, 16 modern fertilizer production lines, and an annual output of 2 million tons. Risso Chemical exports approximately 50% of its production and supplies customers in more than 60 countries and regions, including Australia, New Zealand, Mexico, Canada, Southeast Asia, wider Asia, and South America.

Liquid nitrogen capability: Risso® UAN 32-0-0

The liquid side of the program is where the triple-source structure lives. Verified product data describes Risso® UAN 32-0-0 as follows:

  • Nitrogen content:32% N
  • Nitrogen forms:urea nitrogen + ammonium nitrogen + nitrate nitrogen (triple source)
  • Form:liquid solution
  • Appearance:clear to slightly yellow liquid
  • Main composition:urea + ammonium nitrate + water
  • Density:approximately 1.32–1.34 g/cm³ at 20 °C
  • pH:typically 7.0–8.0
  • Freezing point:approximately −10 °C
  • Application:fertigation, foliar application, soil application

For a buyer, the triple form is an operational feature rather than a marketing label. Three nitrogen forms in one solution means one storage tank, one metering setup, and one application pass can cover nitrogen availability that would otherwise require combining separate materials.

Granular nitrogen capability: ASN 26-0-0+13S

ASN 26-0-0+13S is an ammonium sulfate nitrate fertilizer that supplies nitrogen and sulfur in one granule. Its nitrogen is delivered in ammonium and nitrate forms — a dual-nitrogen synergy structure — which is why it pairs naturally with a triple-source liquid in a combined program.

  • Nitrogen content:typically 26% N
  • Sulfur content:typically 13% S
  • Nitrogen forms:ammonium nitrogen + nitrate nitrogen
  • Form:granular
  • Appearance:white to off-white granules
  • Granule size:typically 2–4 mm
  • Moisture:≤1.0%
  • Main composition:ammonium sulfate + ammonium nitrate
  • Application:base fertilization, top dressing, field crops

Customization scope: ODM, OEM, and customizable production

Risso Chemical provides ODM, OEM, and customizable production services. Customization covers flexible packaging and supply solutions tailored to application systems, crop requirements, and order volumes, and customized specifications and packaging options are available on inquiry. In practice this is the difference between buying a catalog item and commissioning a supply program: the formulation target is set by the buyer’s agronomy and equipment constraints, and the packaging format is set by the receiving terminal and the application method.

Quality control and compliance documentation

Quality control runs across the entire process, from raw materials through to the finished fertilizer, and includes production monitoring, laboratory testing, and finished-product inspection to keep quality and specifications consistent between lots. Two documents support buyer due diligence:

  • Quality Management System Certification— certificate number 0891092R1M16Q8, issued by ZSBC on 2019-06-05 under GB/T19001-2016 / ISO9001:2015, covering R&D, production and service of NPK compound fertilizer, urea, and special purpose fertilizer (except licensed products).
  • Verification of Conformity (RoHS Compliance)— certificate number DPWD/03/0570/2025, issued by Intercert Global Sp. z o.o. on 2025-03-05 and valid to 2030-03-04, covering the EU market and assessed against the EN 62321 series of standards (EN 62321-4, -5, -6, -7-1, -7-2 and -8).
ISO certification
Quality Management System Certification, certificate 0891092R1M16Q8, issued under GB/T19001-2016 / ISO9001:2015.

Step-by-Step Breakdown: Seven Steps From Capability Review to First Bulk Shipment

Step 1 — Define the nitrogen form profile you actually need. Start from the crop’s nitrogen requirement and the timing of availability, then decide whether three forms, two forms, or one form is justified. UAN 32-0-0 supplies urea, ammonium, and nitrate nitrogen in one solution; ASN 26-0-0+13S supplies ammonium and nitrate nitrogen plus sulfur. A single-form product should be the default only when nitrogen concentration alone is the priority.

Step 2 — Match the physical form to your application equipment. Fertigation, foliar, and soil application systems call for a liquid that can be metered and distributed uniformly; conventional tillage and mechanized spreading call for granules of a consistent size. Confirm pump, tank, and nozzle compatibility on the liquid side, and spreader calibration on the granular side, before commercial terms are discussed.

Step 3 — Verify the specification sheet and the quality-control process. Ask for the parameters that affect handling and application: nitrogen content, nitrogen forms, density, pH, freezing point, granule size, and moisture. Then verify how those parameters are held batch to batch. Risso Chemical documents production monitoring, laboratory testing, and finished-product inspection across the full process, from raw material to finished fertilizer.

Step 4 — Confirm the customization and packaging scope in writing. OEM and ODM capability is only useful if it extends to the specific variable you need changed — specification range, granule size target, label and brand, or packaging format. Confirm packaging options (IBC, drums, bags) and any private-label requirements at this stage, since these decisions determine the receiving terminal and the handling equipment downstream.

Step 5 — Lock commercial terms and acceptance criteria. The published commercial parameters are an MOQ of 100 tons, a lead time of 30–45 days, and a monthly capacity of 30,000 tons. Deliveries are available in bulk or packaged formats with international logistics support, and payment methods such as Letters of Credit (L/C) and Telegraphic Transfers (T/T) are generally accepted. Acceptance should be based on contract terms and inspection reports.

Step 6 — Validate with a trial before scaling. Field trials should be used to quantify any specific nitrogen use efficiency improvement, because actual NUE depends on application timing, placement, crop demand, soil conditions, weather, and nitrogen management practices. On the liquid side, confirm the crystallization or salt-out temperature against the product specification and test tank compatibility before committing to bulk storage.

Step 7 — Plan storage, logistics, and after-sales support. Store product under conditions that minimize contamination and extreme temperature exposure, and keep liquid product within the storage envelope described by the specification. Risso Chemical provides technical support, application guidance, and professional customer service, with detailed after-sales and technical support available through the sales team.

Factory show PIC13
Production infrastructure at the Risso Chemical site: 16 modern fertilizer production lines and 2 million tons of annual capacity.

Use Cases: Where Triple-Source Liquid and Dual-Source Granular Programs Fit

Cereal and field-crop top dressing. A granular ASN base pass followed by a UAN 32 side-dress or split application lets one program cover both a spreading operation and a precise liquid application. The mixed nitrogen-form structure supports availability across a longer window than a single-form product.

Fertigation, greenhouse, and horticulture systems. Where irrigation infrastructure already exists, UAN 32-0-0 is applied through fertigation, foliar, or soil application methods, and its liquid form allows accurate metering and uniform distribution. This is the case where a triple-source product most clearly replaces multiple single-source inputs.

Crops with combined nitrogen and sulfur demand. ASN 26-0-0+13S supplies both nutrients in one granule, which suits cereals, oilseed crops, and other crops requiring balanced nitrogen and sulfur nutrition. Compared with urea, ASN contributes an additional sulfur source; urea remains the simpler choice when high-concentration nitrogen alone is the requirement.

Distributor and private-label programs. ODM and OEM services allow distributors and brand owners to commission specifications and packaging rather than reselling a standard SKU. Packaging and supply solutions can be tailored to application systems, crop requirements, and order volumes.

Bulk supply for farms, traders, and partners. Distributor networks, large farms, and international traders are supported through bulk supply and large-volume shipments, with specific order quantities and packaging options set by requirements and contract terms. For cold-climate storage, note the approximately −10 °C freezing point of UAN 32 and plan tank temperature management accordingly.

Comparison Table: UAN 32, ASN 26-0-0+13S, and Urea Side by Side

Parameter Risso® UAN 32-0-0 (liquid) ASN 26-0-0+13S (granular) Urea (reference)
Total nitrogen 32% N Typically 26% N Approximately 46% N
Sulfur Not stated in source Typically 13% S Not stated in source
Nitrogen forms Urea + ammonium + nitrate (triple source) Ammonium + nitrate (dual source) Mainly amide nitrogen
Physical form Liquid solution Granular Solid
Appearance Clear to slightly yellow liquid White to off-white granules Not stated in source
Granule size Not applicable (liquid) Typically 2–4 mm Not stated in source
Moisture Not applicable (liquid) ≤1.0% Not stated in source
Density Approx. 1.32–1.34 g/cm³ at 20 °C Not stated in source Not stated in source
pH Typically 7.0–8.0 Not stated in source Not stated in source
Freezing point Approximately −10 °C Not stated in source Not stated in source
Main composition Urea + ammonium nitrate + water Ammonium sulfate + ammonium nitrate Urea
Typical application Fertigation, foliar, soil application Base fertilization, top dressing Not stated in source
Selection logic Where liquid metering and three nitrogen forms are required Where nitrogen and sulfur are both required Where high-concentration nitrogen alone is the priority
The commercial side of the same evaluation is documented separately, and it is usually where programs are won or lost:
Execution parameter Verified value
Production mode ODM / OEM / customizable
Customization scope Flexible packaging and supply solutions tailored to application systems, crop requirements, and order volumes; customized specifications and packaging available on inquiry
MOQ 100 tons
Lead time 30–45 days
Monthly capacity 30,000 tons
Annual output 2 million tons
Production lines 16 modern fertilizer production lines
Delivery formats Bulk and packaged (IBC, drums, bags) with international logistics support
Payment terms L/C and T/T generally accepted — confirm with the sales team
Acceptance criteria Based on contract terms and inspection reports
Quality control Raw material to finished fertilizer: production monitoring, laboratory testing, finished-product inspection
Export coverage Customers in more than 60 countries and regions
After-sales Technical support, application guidance, and professional customer service

FAQ: OEM Liquid and Granular Nitrogen Supply

Verify the quality management system certificate and any market-specific conformity document. Risso Chemical holds a Quality Management System Certification, certificate number 0891092R1M16Q8, issued by ZSBC on 2019-06-05 under GB/T19001-2016 / ISO9001:2015, covering R&D, production and service of NPK compound fertilizer, urea and special purpose fertilizer (except licensed products). For EU-bound shipments, a Verification of Conformity (RoHS Compliance) is held under certificate DPWD/03/0570/2025, issued by Intercert Global Sp. z o.o. on 2025-03-05 and valid to 2030-03-04, assessed against the EN 62321 series. Confirm that the certificate scope and model list cover the exact product family named in your contract.

Risso Chemical (TAIAN RISSO CHEMICAL CO.,LTD.) supplies both sides of the program from a single production base: a triple-nitrogen-source liquid fertilizer, UAN 32-0-0 at 32% N, and a dual-nitrogen synergy granular fertilizer, ASN 26-0-0+13S at approximately 26% N and 13% S, in which nitrogen is supplied in ammonium and nitrate forms. The company was founded in 2007, operates 16 modern fertilizer production lines with an annual output of 2 million tons and a monthly capacity of 30,000 tons, and employs a 50-engineer R&D team. It provides ODM, OEM, and customizable production services, and customization extends to specifications and packaging.

Cost is driven mainly by product form, packaging, and storage rather than by product name. Published industry research notes that UAN infrastructure costs are approximately double those of dry storage because of stainless steel requirements (Mordor Intelligence). Commercially, Risso Chemical quotes from an MOQ of 100 tons with a 30–45 day lead time and ships bulk or packaged in IBCs, drums, and bags, so packaging format and freight are separate cost variables. Request a quotation that separates product, packaging, and logistics, since customized programs are quoted individually.

Validation normally combines document review, a trial quantity, and agronomic testing. Risso Chemical controls quality from raw materials through to the finished fertilizer using production monitoring, laboratory testing, and finished-product inspection. For UAN 32, field trials should be used to quantify any specific nitrogen use efficiency improvement, because actual NUE depends on application timing, placement, crop demand, soil conditions, weather, and nitrogen management practices. Buyers storing liquid product in cold climates should also confirm the crystallization or salt-out temperature against the product specification before tank mixing, including where humic-acid or neutral-pH blend programs are planned.

Standard lead time is 30–45 days, with an MOQ of 100 tons and a monthly capacity of 30,000 tons. Deliveries are available in bulk or packaged formats (IBC, drums, bags) with international logistics support, and payment methods such as Letters of Credit (L/C) and Telegraphic Transfers (T/T) are generally accepted; acceptance is based on contract terms and inspection reports. To start, request a sample or quotation from Risso Chemical at info@risso-chemical.com or via WhatsApp at +86 19506380519, and download the catalog for the full model list.

Conclusion: Match the Nitrogen Form to the Application, Then Verify the Supplier Can Repeat It

A triple-nitrogen-source liquid fertilizer solves a formulation problem: 32% N in urea, ammonium, and nitrate forms inside one solution, which removes the need to build that nitrogen profile on site. A dual-nitrogen granular fertilizer solves the complementary problem: ASN 26-0-0+13S delivers ammonium and nitrate nitrogen plus sulfur in a uniform granule sized for mechanized spreading. Used together, they cover both a liquid metering operation and a dry spreading operation from one supply relationship.

The evaluation discipline is what makes that combination work in practice. Confirm the nitrogen forms you need, match the physical form to your equipment, verify the specification and the quality-control process, agree the customization and packaging scope in writing, and then check the commercial parameters that determine whether supply is repeatable — 100-ton MOQ, 30–45 day lead time, 30,000-ton monthly capacity, and documentation that names your product family. Where nitrogen use efficiency claims are involved, use field trials rather than supplier averages to quantify the result.

For buyers already in the execution stage, the next step is a specification and quotation review against your application system, crop requirement, and order volume.

Factory-show-PIC17
Bulk nitrogen fertilizer shipment preparation for international export.

Request a sample, a customized specification, or a quotation for triple-nitrogen-source liquid fertilizer (UAN 32-0-0), dual-nitrogen synergy granular fertilizer (ASN 26-0-0+13S), or an OEM/ODM program built around your application system.

Download the full product catalog: Risso Chemical Product Catalog (PDF)

Website: risso-chemical.com
Email: info@risso-chemical.com
WhatsApp: +86 19506380519
Tel: +86 0538 5076188
Address: High-tech Development Zone, Taian City, Shandong Province, China