High-Quality Soy Protein Isolate Processing Plant Manufacturer & Supplier

Global Engineering Excellence in Plant-Based Protein Processing & Deep Circular Industrial Chains

Our Featured Plant Protein Products

High-purity isolate proteins, dietary fibers, and industrial derivative products optimized for global food formulation needs.

Wholesale 9003BA Vegetarian Type Isolated Soy Protein

Wholesale 9003BA Vegetarian Type, Isolated Soy Protein

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High-Quality 9006B Meat Type Isolated Soy Protein

High-Quality 9006B Meat Type, Isolated Soy Protein

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High-Quality Soy Dietary Fiber

High-Quality Soy Dietary Fiber

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Wholesale Ethyl Alcohol Ethanol 95 96

Wholesale Ethyl Alcohol Ethanol 95 96 Superior Grade

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Wholesale Beverage Dispersion Type Soy Protein

Beverage & Dispersion Type, Isolated Soy Protein 9030/9032

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High-Quality 9001BW Meat Type Isolated Soy Protein

High-Quality 9001BW Meat Type, Isolated Soy Protein

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Wholesale Meat Injection Type Soy Protein

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

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Functional Soy Protein Concentrate NON GMO

Functional Soy Protein Concentrate (NON GMO)

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Global Soy Protein Industrial & Commercial Landscape

Decoding market dynamics, rising plant-based demand, and technical imperatives for commercial processors.

Sustained Macro Growth

The globally expanding market for plant-based nutrition demands robust processing capacities. Soy Protein Isolate (SPI), containing ≥ 90% protein on a dry basis, serves as the structural and nutritional cornerstone. B2B operators require reliable engineering partners capable of building plants that achieve high nitrogen solubility indices (NSI) and exceptional emulsification stability.

Functional Differentiation

Commercial soy proteins are no longer treated as uniform commodities. Buyers choose specialized types like Meat & Emulsion, Beverage & Dispersion, and Vegetarian & Tofu. Designing processing plants that allow real-time parameter configuration during extraction, precipitation, and neutralization is key to meeting these diverse target applications.

Non-GMO & Quality Mandates

In Europe, North America, and parts of Asia, strict GMO labeling laws require complete traceability. Processing facilities must maintain rigorous isolation protocols, processing raw materials in dedicated, IP-certified non-GMO pipelines. High-integrity design ensures zero cross-contamination throughout the manufacturing lifecycle.

Technological Roadmap & Processing Engineering

An overview of Shandong Kawah Oils' advanced extraction process and the Dachuanyuan spray drying configuration.

Step 1

Alkaline Extraction

Soluble proteins are extracted from low-temperature defatted soybean flakes at pH 7.2–9.0.

Step 2

Acid Precipitation

The solution pH is lowered to the isoelectric point (pH 4.5), causing target proteins to precipitate.

Step 3

Centrifugal Washing

High-speed decanter centrifuges separate and wash the protein curd, removing soluble sugars.

Step 4

Neutralization & Drying

Neutralization to pH 6.8–7.2, followed by flash sterilization and Dachuanyuan spray drying.

Dachuanyuan Spray Drying Technology

The core element of Shandong Kawah Oils Co., Ltd's processing plant is the high-efficiency spray drying tower manufactured by DACHUANYUAN. Capable of handling massive single-line volumes, this drying tower ensures gentle evaporation of moisture, maintaining the functional characteristics of the soy proteins—specifically their gelation, water-binding capacity, and fat absorption.

Designed for continuous operations, our plant operates clean, closed-loop processing configurations that minimize thermal degradation of proteins, producing highly dispersible powders with optimal particle size distributions.

50,000 T
Annual Soy Protein Isolate Capacity

Produced via domestic, traceable Non-GMO soybeans at Shandong Kawah Oils' advanced refining facility.

Supply Chain Resilience & The Circular Economy

How Guanxian Xinrui Industrial and Shandong Kawah Oils integrate farming, cogeneration power, and deep processing.

Vertical Raw Material Control

We cultivate our own Wheat and Non-GMO Soybean Planting Bases. Controlling the supply chain starting at the agricultural phase ensures absolute raw material purity, pesticide residue control, and predictable raw material pricing.

Integrated Energy Systems

Xinrui Group operates its own cogeneration power plant, delivering urban heating, gas supply, and processing power. This self-contained energy system dramatically reduces production utility costs while ensuring uninterrupted plant operations.

Zero-Waste Processing Loop

Byproducts from wheat and soy processing are upcycled. For example, Wheat Starch B and pentosan are directed into high-grade alcohol production and animal feed, minimizing environmental impact while maximizing revenue streams.

Wheat Processing Synergy

Under the Guanxian Xinrui Industrial umbrella, we process over 500,000 tons of wheat flour annually. Utilizing imported, state-of-the-art tri-canter separation technology, our wheat gluten and wheat starch production lines run in a clean, fully enclosed loop. The generated co-products form a complete circular chain that supports the group's overall economic stability.

Localized Application Scenarios

Aligning our industrial soy protein grades to regional regulatory requirements and culinary preferences worldwide.

Western & LatAm Markets

Meat Processing & Emulsification

Widely used in sausages, hams, and meat alternatives. Our Meat-Type Isolate (e.g., 9001BW, 9006B) offers outstanding emulsification, fat-holding, and water-binding parameters, ensuring minimal product purge during cooking cycles.

East & Southeast Asia

Tofu & Traditional Foods

Engineered for high-yield tofu production, vegetarian foods, and surimi products. Options like 9003B and 9005B yield smooth gel networks, matching traditional Asian food-texture profiles.

Global Beverage Brands

Beverages, Nutrition & Dispersion

Designed for RTD (Ready-to-Drink) shakes, powdered drink mixes, and dairy alternatives. Our dispersion-type isolates (e.g., 9030, 9032) provide low-viscosity profiles under high concentration, ensuring rapid dissolution without chalky mouthfeel.

Factory Operations & Production Video

Get an inside look at our massive manufacturing base and advanced processing equipment.

Global Compliance & Quality Certificates

Strict quality control processes verified by third-party international testing authorities.

Xinrui Group Certificate 1

Xinrui Group Certificate (1)

Xinrui Group Certificate 2

Xinrui Group Certificate (2)

Xinrui Group Certificate 3

Xinrui Group Certificate (3)

Xinrui Group Certificate 4

Xinrui Group Certificate (4)

Xinrui Group Certificate 5

Xinrui Group Certificate (5)

Our facilities conform to international food manufacturing standards, holding verified certifications including HACCP, ISO9001, ISO22000, BRC, HALAL, KOSHER, IP-NON GMO, and SGS. We offer full documentation to streamline customs clearing and compliance in importing countries.

Frequently Asked Questions

Technical and logistics answers for procurement managers and production engineers.

Are you a trader or a manufacturer? +
We are a fully integrated group company named Xinrui Group, combining processing, manufacturing, domestic trade, and direct export services.
  • Shandong Kawah Oils Co., Ltd is our soy protein processing arm, with an annual capacity of 50,000 tons of isolated soy protein.
  • Guanxian Xinrui Industrial Co., Ltd (formerly Guanxian Ruixiang Biotechnology) is our wheat processing arm, yielding 30,000 tons of vital wheat gluten annually.
  • Guanxian Ruichang Trading Co., Ltd acts as our dedicated export company, selling directly to overseas buyers. Over 70% of our group production capacity is exported globally.
What certificates do you hold for export shipments? +
Our production lines and raw material supply streams are certified under the following systems: HACCP, ISO9001, ISO22000, BRC, HALAL, KOSHER, IP-NON GMO, and SGS. Custom testing requirements or regional compliance certificates can be arranged upon request.
What is the minimum order quantity (MOQ) and lead time? +
Our standard export package size is 20kg or 25kg multi-wall paper bags, with options for super sacks. MOQs typically begin at FCL (Full Container Load) volumes (approx. 10–20 metric tons, depending on product type). Lead times range between 14 and 21 days from deposit verification.
How do you guarantee the Non-GMO status of your soy protein isolate? +
Our Non-GMO identity preservation (IP) system starts at our dedicated farming bases. Our beans are verified via PCR testing before unloading at our Shandong Kawah facility. Dedicated equipment processing lines ensure zero admixture with GMO grains throughout the extraction and packing phases.

Complete Product Catalog & Derivatives

Explore our technical grades, vital wheat proteins, and high-purity starches.

Wholesale VWG-PS Wheat Gluten Pellets

Wholesale VWG-PS Wheat Gluten Pellets

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High-Quality Wheat Starch

High-Quality Wheat Starch

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Wholesale 9020 Injection Type Soy Protein

Wholesale 9020 Injection Type, Isolated Soy Protein

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High-Quality Meat Emulsion Type Soy Protein

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

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High-Quality 9003B Vegetarian Type Soy Protein

High-Quality 9003B Vegetarian Type, Isolated Soy Protein

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Wholesale 9002B Chopping Type Soy Protein

Wholesale 9002B Chopping Type, Isolated Soy Protein

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High-Quality 9030 Dispersion Type Soy Protein

High-Quality 9030 Dispersion Type, Isolated Soy Protein

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High-Quality Tofu Vegetarian Type Soy Protein

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

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