Wholesale Soy Protein Powder 20kg Supplier & Factory

Global Industrial Supply of Non-GMO Isolated Soy Protein for Meat, Emulsion, Dispersion, & Vegetarian Applications

Premium Plant Protein Catalog

Select from our key high-purity non-GMO isolated soy proteins and plant ingredients, customized for optimal water-binding capability, gelation strength, and nutritional profile.

High-Quality Tofu & Vegetarian Type, Isolated Soy Protein 9005B

High-Quality Tofu & Vegetarian Type, Isolated Soy Protein: 9005B

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Wholesale 9007B-C Meat & Emulsion Type Isolated Soy Protein

Wholesale 9007B-C Meat & Emulsion Type, Isolated Soy Protein

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Wholesale 9003BA Vegetarian Type Isolated Soy Protein

Wholesale 9003BA Vegetarian Type, Isolated Soy Protein

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High-Quality 9001BW Meat Type Isolated Soy Protein

High-Quality 9001BW Meat Type, Isolated Soy Protein

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High-Quality 9001BW/9001B-Y/9000 Meat & Emulsion Type

High-Quality 9001BW/9001B-Y/9000 Meat & Emulsion Type

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Wholesale Meat & Injection Type Isolated Soy Protein 9020/9026/9028

Wholesale Meat & Injection Type, Isolated Soy Protein 9020/9026/9028

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Wholesale VWG-P Wheat Gluten Powder

Wholesale VWG-P Wheat Gluten Powder

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Wholesale SDF - Soy Dietary Fiber

Wholesale SDF - Soy Dietary Fiber

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Industrial Infrastructure & Capacity

Xinrui Group represents a highly integrated circular economy industrial model, utilizing advanced raw ingredient sourcing and European-tier manufacturing standards to secure continuous, high-volume production for international food manufacturers.

50,000T SPI Annual Capacity
180,000T Soybean Processing
500,000T Wheat Flour Milling
30,000T Wheat Gluten Production

Macro Industry Perspective: The Critical Role of Bulk Soy Protein in Global Food Supply Chains

The global shift toward plant-based alternatives and clean-label functional formulations has elevated the role of isolated soy protein (ISP) from a simple filler to a key structural element. Soy protein isolate is prized for containing all nine essential amino acids in concentrations that mimic high-quality animal proteins. In modern meat processing, emulsion preparation, dairy alternatives, and nutritional formulations, the demand for non-GMO high-purity protein fractions has grown exponentially.

Buying in standard bulk packages like Soy Protein Powder 20kg bags is critical for major operations. It represents a balance between ease of manual handling, optimization of automated bulk handling, moisture preservation, and logistics efficiency. Commercial recipes require raw ingredients to remain stable and functional through ocean shipping, prolonged storage, and high-shear industrial mixing. Our integrated industrial plants solve these problems by using advanced spray drying technology and clean-closed production circuits.

The Economics of the 20kg Packaging Configuration

For large-scale food processors, the 20kg multi-layer kraft paper bag with a PE inner liner is the global standard. This design provides several distinct operational advantages:

Moisture Mitigation

The hermetically sealed PE inner film prevents water vapor transmission, which is crucial for preventing protein clumping and degradation over long transit times.

Logistics Density

Optimized bag dimensions allow for secure stacking on standard pallets, maximizing container space. This lets us load up to 12 metric tons per 20' FCL (without pallets) or 10 metric tons (with pallets).

Handling Efficiency

The 20kg weight allows operators to safely handle and dose bags without needing heavy lifting equipment, keeping batch compounding lines agile.

Advanced Manufacturing Technology & Sourcing Purity

Our processing site, Shandong Kawah Oils Co., Ltd. (subsidiary of Xinrui Group), is a key agricultural processor. Our facility is designed around a sustainable, circular economy loop, processing 180,000 tons of domestic non-GMO soybeans every year. We refine our raw materials in a step-by-step process: first extracting crude non-GMO soybean oil, then producing food-grade low-temperature white flakes, which are finally processed into isolated soy protein and soy dietary fiber.

Dachuanyuan Spray Drying Technology

The core of our soy protein isolate quality is our spray drying process. We run a single-line spray dryer from DACHUANYUAN, which is the largest single-line system of its type in China. This technology provides precise control over particle size, hydration properties, and protein stability.

By adjusting temp zones and nozzle pressures, we can customize the physical properties of our protein powders. This allows us to produce high-gel formulas like 9007B-C, quick-dispersing drinks like 9030, and high-emulsion grades like 9001BW, meeting the diverse demands of food processing industries worldwide.

Kawah Oils Modern Factory Interior
Xinrui Industrial Production Line

Wheat Wet Milling & Tri-canter Separation

In addition to our soy operations, Guanxian Xinrui Industrial Co., Ltd. processes 500,000 tons of wheat flour annually. Our facility uses advanced, imported European tri-canter separation technology for wet wheat processing.

This closed loop separates starch and protein fractions cleanly, keeping our Vital Wheat Gluten (both powder and pellet forms) pure and functional. The residual pentosan and starch B fractions are routed directly into our integrated ethanol and feed loops, lowering production waste and securing cost stability for our customers.

Application Blueprints: Custom Formulations for Food Systems

Because soy protein isolates function differently depending on the application, we do not believe in one-size-fits-all products. We have developed specialized lines tailored to specific food systems and processing conditions:

Meat & Emulsion Systems

Designed for processed meats, sausages, and hot dogs. Grades like 9007B-C, 9001BW, and 9500 form strong, heat-stable protein networks. They bind oil and water efficiently, helping to reduce cook shrink and maintain texture.

  • Emulsification ratios up to 1:5:5 (Protein:Water:Oil)
  • Improves bite texture and sliceability in cooked meats

High-Dispersion Beverages

Designed for instant drink mixes, ready-to-drink (RTD) beverages, and nutritional powders. Our dispersion grades, such as 9030 and 9032, dissolve quickly without clumping or gritty textures, even at low shear.

  • Fast wetting with minimal dust generation
  • Stable, clean mouthfeel with low beany notes

Tofu & Vegetarian Foods

Designed for traditional tofu, meat alternatives, and vegetarian foods. Grades like 9005B and 9003B are optimized for high gelation strength, helping producers control firm textures and keep yields consistent.

  • Produces strong, elastic gel networks
  • Controls syneresis in packaged tofu products

Brine Injection Solutions

Designed for injecting whole cuts of meat, hams, and poultry. Grades like 9020, 9026, and 9028 have low viscosity and stay suspended in brine, helping processors inject meat evenly without blocking needles.

  • Fast dispersion in salty curing brines
  • Maximizes yield and retains moisture in cooked meats

About Xinrui Group: Integrated Plant Protein Processing

Established in May 2003, Xinrui Group has grown to span more than 1,000 mu, housing an integrated food ingredient business. The Group coordinates local combined heat and power systems, municipal heating networks, natural gas infrastructure, and high-volume raw crop processing plants.

Xinrui Group Plant Facility
Industrial Drying Tower Facility
Laboratory Quality Control Lab

Our global trade division, Guanxian Ruichang Trading Co., Ltd. (founded in 2011 with 6 million Yuan registered capital), acts as our direct export channel. Ruichang Trading exports isolated soy protein, wheat gluten, soluble dietary fiber, and ethanol directly from our factories to overseas customers. Over 60% to 70% of our group's total production capacity is exported, helping us coordinate manufacturing and logistics for global buyers.

International Compliance & Certifications

Maintaining strict quality control is essential for global food ingredients. Our manufacturing plants operate under strict Hazard Analysis Critical Control Point (HACCP) programs and hold multiple international food safety and product certifications.

Xinrui Group Certificate 1

Food Safety Standards

Xinrui Group Certificate 2

HACCP Certified

Xinrui Group Certificate 3

ISO 9001 & ISO 22000

Xinrui Group Certificate 4

Kosher & Halal Compliance

Xinrui Group Certificate 5

IP Non-GMO Audited

Our supply chains undergo regular third-party audits to verify trace IP (Identity Preserved) status, ensuring our soybeans remain non-GMO from planting to processing.

Direct Video Insights from Our Production Line

Watch our facility walkthroughs, automated packaging lines, and laboratory QC protocols to see how we manage quality at scale.

Advanced Technical Q&A: In-Depth Insights

Technical details for procurement managers and food scientists evaluating our soy protein isolates.

Are you a trader or manufacturer?

We are a fully integrated group company named Xinrui Group, bringing together manufacturing and international export divisions. Under this structure, Shandong Kawah Oils Co., Ltd. operates as our soy protein isolate manufacturing facility, producing 50,000 tons of isolated soy protein annually. Guanxian Xinrui Industrial Co., Ltd. (formerly known as Guanxian Ruixiang Biotechnology Development Co., Ltd) produces 30,000 tons of vital wheat gluten per year. All direct global sales are handled through our export division, Guanxian Ruichang Trading Co., Ltd.

What certificates do you have?

Our facilities hold several international certifications, including HACCP, ISO9001, ISO22000, BRC (British Retail Consortium), HALAL, KOSHER, and IP-NON GMO (Identity Preserved) from SGS. We can also provide other specific health certificates, phytosanitary documents, and laboratory analyses upon request.

What is the typical protein content of your isolated soy protein on a dry basis?

Our standard isolated soy protein (ISP) maintains a minimum protein level of 90% on a dry basis. For special premium lines, we can hit 92% or higher. This high concentration is achieved by dissolving and separating non-protein components from low-temperature de-fatted soy flakes, ensuring a pure, functional protein product.

How do you ensure GMO contamination is prevented during shipping?

We manage our raw materials through an Identity Preserved (IP) system. This program tracks our soybeans from the seed supply and planting stages through harvest, factory reception, processing, and packaging. We run regular PCR tests in our quality control laboratories and use dedicated, clean containers to prevent cross-contamination.

Can we customize the viscosity and gelation properties for meat versus beverage uses?

Yes. We can customize the physical properties of our proteins by adjusting our spray drying parameters. For meat emulsions, we optimize the process for high gel strength and water absorption. For beverages, we adjust the process to keep viscosity low and dispersion rates high, preventing sedimentation in the final drink.

What is the shelf life and ideal storage for the 20kg bulk packaging?

Our 20kg bulk soy protein powder has a shelf life of 12 months when stored in original, unopened packaging. To maintain performance, keep the bags in clean, dry warehouses below 25°C and at a relative humidity under 60%. Do not store products near strong odors or volatile chemicals.

Specialized Plant Protein & Starch Products

Explore our complete portfolio, including functional starches and specialized vital wheat gluten grades designed for diverse industrial applications.

Wholesale 9500 Meat & Emulsion Type Isolated Soy Protein

Wholesale 9500 Meat & Emulsion Type, Isolated Soy Protein

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High-Quality 9030 Dispersion Type Isolated Soy Protein

High-Quality 9030 Dispersion Type, Isolated Soy Protein

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High-Quality Wheat starch

High-Quality Wheat Starch Manufacturer, Factory

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Wholesale VWG-PS Wheat Gluten Pellets

Wholesale VWG-PS Wheat Gluten Pellets Manufacturer, Supplier

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High-Quality 9003B Vegetarian Type Isolated Soy Protein

High-Quality 9003B Vegetarian Type, Isolated Soy Protein

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Wholesale Tofu & Vegetarian Type Isolated Soy Protein 9003B

Wholesale Tofu & Vegetarian Type, Isolated Soy Protein: 9003B

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Wholesale 9005B Vegetarian Type Isolated Soy Protein

Wholesale 9005B Vegetarian Type, Isolated Soy Protein

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High-Quality Soy Dietary Fiber

High-Quality Soy Dietary Fiber Supplier, Factory

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