High-Quality Soy Protein 90% Manufacturer & Supplier

Pioneering Advanced Non-GMO Soy Isolates, Plant-Based Nutrition Solutions, and Sustainable Circular Agriculture Globally

Our Featured Plant Protein Portfolio

Discover premium functional non-GMO isolated soy proteins, vital wheat gluten, and plant-based solutions optimized for meat, emulsion, injection, dispersion, and beverage systems.

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

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

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High-Quality 9007B-A Meat & Emulsion Type, Isolated Soy Protein

High-Quality 9007B-A Meat & Emulsion Type, Isolated Soy Protein Supplier, Factory

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Wholesale 9020 Injection Type, Isolated Soy Protein

Wholesale 9020 Injection Type, Isolated Soy Protein Supplier, Factory

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High-Quality 9030 Dispersion Type, Isolated Soy Protein

High-Quality 9030 Dispersion Type, Isolated Soy Protein Manufacturer, Supplier

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Wholesale Beverage & Dispersion Type, Isolated Soy Protein 9030/9032

Wholesale Beverage & Dispersion Type, Isolated Soy Protein 9030/9032 Manufacturer, Supplier

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Wholesale SDF - Soy Dietary Fiber

Wholesale SDF - Soy Dietary Fiber Manufacturer, Supplier

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Wholesale 9500 Meat & Emulsion Type, Isolated Soy Protein

Wholesale 9500 Meat & Emulsion Type, Isolated Soy Protein Manufacturer, Supplier

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Wholesale VWG-PS Wheat Gluten Pellets

Wholesale VWG-PS Wheat Gluten Pellets Manufacturer, Supplier

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Deep Analysis: The E-E-A-T Sourcing Framework of Xinrui Group

In the highly regulated and complex global food ingredient marketplace, selecting a plant-based protein supplier requires careful evaluation of experience, expertise, authoritativeness, and trustworthiness (E-E-A-T). Established in May 2003, Xinrui Group has grown over two decades to cover an expansive footprint of more than 1,000 mu. As a vertically integrated agricultural enterprise, the group is built on a foundation of circular economic efficiency and rigorous food safety.

Our core production ecosystem includes Guanxian Xinrui Industrial Co., Ltd. (formerly Guanxian Ruixiang Biotechnology Development Co., Ltd), established in 2007 with a registered capital of 100 million Yuan, and Shandong Kawah Oils Co., Ltd., founded in 2014 with 120 million Yuan of registered capital. Together, we manage a complete production cycle. This spans non-GMO crop planting, low-temperature soybean crushing, extraction, high-efficiency spray drying, and local cogeneration power supply. This integration ensures our manufacturing systems remain stable, efficient, and cost-effective throughout the year.

500k Tons
Annual Wheat Processing
180k Tons
Soybean Crush Capacity
50k Tons
Isolated Soy Protein Output
2.8B RMB
Annual Industrial Value

By controlling the entire process from crop cultivation to extraction, Shandong Kawah Oils processes 180,000 tons of domestic non-GMO soybeans annually. This raw material is transformed step-by-step into high-grade oil, low-temperature food-grade soy meal, functional isolated soy protein (ISP 90%), and premium soy dietary fiber. This direct vertical control minimizes middle-tier biological contamination risks, offering global food brands reliable trace-back guarantees.

Technical Classification of Soy Protein Isolate 90%

Isolated Soy Protein (ISP) with a minimum dry-basis protein content of 90% is a highly functional ingredient. It is designed to modify texture, hold moisture, suspend solids, and stabilize complex emulsions. A single, generic protein powder cannot meet the distinct challenges of different food formulations. Because of this, Kawah Oils has engineered targeted functional grades for specific food matrices:

Meat & Emulsion Type (Grades 9007B-C, 9007B-A, 9500, 9001BW)

Formulated for high water-binding capacity (up to 1:5.5) and fat-holding performance (1:5.0). These grades build a firm thermoreversible gel matrix. This prevents water loss and fat separation during commercial thermal processing cycles, ensuring a firm, juicy bite in emulsified sausages, frankfurters, and canned luncheon meats.

Injection Type (Grade 9020)

Engineered for high-capacity brine injection systems in whole-muscle hams, bacon, and poultry. This grade features low viscosity at low temperatures, fast hydration, and ultra-fine dispersion. This ensures it passes easily through multi-needle injectors without clogging, dispersing evenly within muscle tissue to maximize yield and sliceability.

Beverage & Dispersion Type (Grades 9030, 9032)

Designed for powdered nutritional drink mixes, ready-to-drink (RTD) dairy alternatives, and infant formulas. It is treated to disperse quickly in water without clumping or dusting. It delivers excellent stability across neutral pH systems with minimal beany off-notes and a smooth mouthfeel.

Tofu & Vegetarian Systems (Grades 9005B, 9003B)

Designed for plant-based meat analogues, traditional tofu, and vegetarian convenience foods. These isolates feature optimized protein-protein cross-linking under calcium/magnesium coagulation or thermal setting. This replicates the fibrous, cohesive bite of animal muscle tissue while maintaining a clean, pale color profile.

Additionally, we supply vital wheat gluten (powder and pellet forms) and high-purity wheat starch. These ingredients are designed to build structure, elasticity, and crumb softness in baking, pet food, and aquaculture formulations, allowing buyers to consolidate their ingredient sourcing.

Xinrui Group Plant Facility

China Factory 4.0: Supply Chain Resilience & Process Efficiency

In the global food ingredient sector, consistency is a major challenge for procurement managers. Variations in batch viscosity, pH, microbial counts, or color can disrupt automated packing and cooking lines. Shandong Kawah Oils addresses this consistency through advanced process engineering at our modern processing facilities.

Our production lines are equipped with advanced DACHUANYUAN spray drying towers, which represent the largest single-line spray-drying capacity in China. Spray drying is critical to the functional quality of isolated soy protein. By maintaining strict control over inlet/outlet temperatures and atomization pressure, we produce uniform particles with optimized bulk density, moisture levels, and dissolution kinetics. This prevents thermal damage to the delicate 7S and 11S globulin proteins, preserving their native gelling and emulsifying properties.

Advanced Wheat Gluten and Soy Protein Production Line

Advanced Tri-Canter Separation Technology

For our wheat gluten extraction, we use state-of-the-art tri-canter wet separation systems. This technology separates starch, gluten, and pentosans in a closed, hygienic loop. This continuous process reduces processing times and limits exposure to heat and microbes, preserving the native functional vitality of the proteins.

This circular processing strategy minimizes waste. For example, Wheat Starch B and pentosans are directed into cogeneration and fermentation lines, while soybean meal extraction yields both premium oil and food-grade dietary fiber. By utilizing all agricultural components, we mitigate raw material price fluctuations, giving our global partners stable, predictable pricing.

Macro Industry Solutions & Integrated Formulations

Modern food formulation requires ingredients that solve complex production challenges. Our isolated soy protein (90%) serves as a functional foundation across major food sectors:

  • Meat Processing & Small Goods: In frankfurters, bologna, and patties, Kawah Oils ISP binds free water and emulsifies animal fats. This prevents shrinkage during cooking, improves cooking yields, and retains juiciness in retail packaging.
  • Plant-Based Meat Analogues: Designed to perform in both high-temperature extrusion (HME) and low-temperature textured vegetable protein (TVP) lines, building a realistic fibrous structure that mimics chicken, beef, or pork.
  • High-Protein Beverages & Nutrition: Offering low-viscosity, high-stability protein isolate for sport nutrition powders, meal replacement shakes, and plant-based milks, maintaining stable suspension without sedimentation.
  • Baking & Confectionery: Improves dough elasticity, gas retention, and structural integrity in wheat-based baked goods, while acting as an egg-white replacer in specific confectionery applications.

Global Sourcing Demands & Integrated Trade Services

To serve international markets efficiently, we established Guanxian Ruichang Trading Co., Ltd. in 2011 with a registered capital of 6 million Yuan. Operating as the direct, dedicated export division of Xinrui Group, Ruichang handles the overseas logistics, export compliance, customs clearance, and container shipping of our products.

By exporting more than 60% to 70% of the group's production capacity directly from our factories, Ruichang offers global buyers direct communication and pricing without agent markups. From our production lines in Shandong, we coordinate transport, bulk container booking, pallets, and shipping documents directly to major ports worldwide, ensuring reliable deliveries and short transit windows.

Energy Security and Price Stability

Fluctuating energy costs can impact ingredient pricing. Xinrui Group manages this by operating municipal cogeneration, urban heating, and gas supply utilities. This self-reliance in steam and electricity protects our spray drying and concentration lines from regional grid outages and energy price surges, allowing us to offer stable, long-term supply contracts.

Our crop supply is secured through local non-GMO soybean and wheat planting bases. This agricultural foundation ensures a steady flow of raw materials, keeping our operations running smoothly even during global crop supply challenges.

Xinrui Group Plant Overview

R&D Frontiers and Technical Roadmap (2025-2035)

The food industry's demands are evolving toward cleaner labels, neutral flavors, and allergen-free alternatives. Xinrui Group's R&D team works in close collaboration with agricultural research institutes to develop next-generation plant protein technologies:

  • Advanced Enzyme-Assisted De-Flavoring: We are refining our extraction process to target and break down volatile aldehydes and lipoxygenase enzymes, which are responsible for the traditional "beany" flavor of soy, allowing manufacturers to reduce sugar and masking agents in dairy alternatives.
  • Tailored Gelling Moduli: Customizing the elastic (G') and viscous (G'') moduli of our isolates via controlled thermal-enzymatic treatment, matching the gelation properties of specific animal proteins like egg white and gelatin.
  • Eco-Efficiency and Decarbonization: Optimizing our spray drying operations to reduce water consumption and recycle waste heat, aligning our production with the sustainability goals of international food brands.

International Certifications & Quality Standards

Our manufacturing plants operate under strict global food safety, quality, and trace-back management systems.

Xinrui Group Certificate 1
Xinrui Group Accreditation (1)
Xinrui Group Certificate 2
Xinrui Group Accreditation (2)
Xinrui Group Certificate 3
Xinrui Group Accreditation (3)
Xinrui Group Certificate 4
Xinrui Group Accreditation (4)
Xinrui Group Certificate 5
Xinrui Group Accreditation (5)

Factory Video Tour & Media Center

Go inside our modern production workshops, research laboratories, and raw material storage areas.

Frequently Asked Questions (FAQ)

Detailed answers to common questions about specifications, manufacturing processes, and import logistics.

Are you a trader or a manufacturer?
We are a vertically integrated industrial group, Xinrui Group, that combines manufacturing and export trading. Our soy protein isolate is produced by Shandong Kawah Oils Co., Ltd, which has an annual capacity of 50,000 tons. Our vital wheat gluten is manufactured by Guanxian Xinrui Industrial Co., Ltd. (formerly Guanxian Ruixiang Biotechnology Development Co., Ltd), with a capacity of 30,000 tons annually. All international trade operations and shipments are managed by our export company, Guanxian Ruichang Trading Co., Ltd.
What food safety and quality certificates do you hold?
Our facilities are certified under major international standards, including HACCP, ISO9001, ISO22000, BRC (British Retail Consortium), HALAL, KOSHER, IP-NON GMO (SGS Identity Preservation program). We can also arrange additional third-party certifications and pre-shipment inspections upon request.
How do you guarantee that your soy products are Non-GMO?
We operate a dedicated Identity Preservation (IP) system. We source our crop raw materials from contract-managed domestic soybean farms in China. Each batch is tracked from planting, harvesting, and crushing through to protein extraction and packaging. Regular PCR testing is conducted at our in-house laboratories and verified by SGS to ensure zero GMO contamination.
What is the maximum water-binding ratio of your emulsion-type soy isolates?
Our high-emulsion grades, such as 9007B-C and 9500, achieve a cold water binding ratio of 1:5 to 1:5.5 under shear conditions. They are designed to hold oil and fat up to 1:5.0, creating a strong protein-fat-water emulsion that remains stable during boiling, autoclaving, or freezing.
Can you supply custom mesh sizes and viscosity profiles?
Yes, our R&D team can adjust particle size distribution (from 80 to 200 mesh) and viscosity (low, medium, or high shear) to match your manufacturing setup. Our spray drying technology allows us to customize physical parameters for specific applications.
What is the standard lead time for international orders?
For standard grades, we maintain ready stock at our warehouses. Typical lead times are 14 to 21 days from order confirmation to dispatch at Qingdao or Tianjin port. For customized formulations or special packaging requests, lead times are determined by production schedules, typically ranging from 3 to 4 weeks.

All Products & Sourcing Specifications

Our comprehensive portfolio of soy protein isolates, wheat starches, and food-grade vital gluten.

High-Quality 9001BW Meat Type, Isolated Soy Protein

High-Quality 9001BW Meat Type, Isolated Soy Protein Manufacturer, Supplier

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High-Quality Wheat starch

High-Quality Wheat starch Manufacturer, Factory

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

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

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

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

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High-Quality Soy Dietary Fiber

High-Quality Soy Dietary Fiber Supplier, Factory

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Wholesale Functional Soy Protein Concentrate

Wholesale Functional Soy Protein Concentrate (NON GMO) Supplier, Factory

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Wholesale 9001BH Meat Type, Isolated Soy Protein

Wholesale 9001BH Meat Type, Isolated Soy Protein Manufacturer, Factory

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High-Quality 9001BW/9001B-Y/9000 Meat & Emulsion Type, Isolated Soy Protein

High-Quality 9001BW/9001B-Y/9000 Meat & Emulsion Type, Isolated Soy Protein Supplier, Factory

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