Leading Global Protein Innovator

High-Quality ISP Soy Protein Isolate Manufacturer & Supplier

Pioneering plant protein technology with premium Non-GMO soybeans, custom emulsification formulations, and vertically integrated industrial capabilities.

Product Center

Isolated Soy Protein & Plant Derivatives

Explore our high-performance isolated soy protein formulations engineered for meat, beverages, emulsion systems, and vegetarian applications.

Wholesale VWG-PS Wheat Gluten Pellets Manufacturer, Supplier

Wholesale VWG-PS Wheat Gluten Pellets Manufacturer, Supplier

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High-Quality 9003B Vegetarian Type, Isolated Soy Protein Supplier, Factory

High-Quality 9003B Vegetarian Type, Isolated Soy Protein Supplier, Factory

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Wholesale VWG-P Wheat Gluten Powder Manufacturer, Supplier

Wholesale VWG-P Wheat Gluten Powder Manufacturer, Supplier

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Wholesale 9020 Injection Type, Isolated Soy Protein Supplier, Factory

Wholesale 9020 Injection Type, Isolated Soy Protein Supplier, Factory

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

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

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

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

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Wholesale 9002B Chopping Type, Isolated Soy Protein Supplier, Factory

Wholesale 9002B Chopping Type, Isolated Soy Protein Supplier, Factory

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Wholesale 9003BA Vegetarian Type, Isolated Soy Protein Manufacturer, Supplier

Wholesale 9003BA Vegetarian Type, Isolated Soy Protein Manufacturer, Supplier

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Industrial Intelligence

Global Commercial & Industrial Landscape of ISP

How advanced soy protein isolate is shaping modern nutritional profiles, planetary health, and commercial food engineering.

180K Tons
Annual Soy Processing
Processed raw Non-GMO domestic soybeans at Shandong Kawah Oils.
500K Tons
Wheat Flour Deep Processing
Secured by Guanxian Xinrui Industrial for circular bio-economy.
50K Tons
ISP Output Capacity
High-grade soy protein isolates engineered and spray-dried annually.
70%+
Direct Export Ratio
Direct factory supply to global markets through Ruichang Trading.
The global demand for Isolated Soy Protein (ISP) has reached unprecedented milestones. Industrially derived from dehulled and defatted soybean meal, ISP represents the most refined form of soy protein available, with a protein dry-basis concentration of 90% or higher. Historically utilized primarily for basic meat emulsification, modern food science has elevated ISP into a multi-functional macromolecular platform. It acts as an essential structural matrix in high-performance vegan meat formulations, a emulsification anchor in processed meats, a clean-label stabilizer in plant-based milks, and a highly digestible protein fortifier in sports nutrition and clinical meal replacements.
Today, the global plant protein market is driven by strict clean-label policies, consumer demands for traceability, and macro-sustainability frameworks. Regions such as North America and Western Europe exhibit high regulatory standards concerning GM (Genetically Modified) ingredients. Consequently, our commitment to using domestic Non-GMO soybeans as our primary raw input ensures that our ISP complies with Identity Preservation (IP) standards globally. Simultaneously, in developing industrial zones such as the Asia-Pacific region, rapidly growing populations and urban centers are accelerating the demand for processed meat products, driving volume consumption of functional emulsion-type soy proteins (such as the 9007B-A, 9007B-C, and 9500 series).
Processing Engineering

Technical Roadmap: From Seed to Spray Drying

Our state-of-the-art manufacturing facility, operated under Shandong Kawah Oils Co., Ltd., represents the pinnacle of contemporary food biotechnology. The journey of high-purity ISP begins at the planting base, moving through a series of physical-chemical separations designed to preserve the native protein structure while maximizing functional indices like nitrogen solubility index (NSI), water binding, and oil emulsification capacity.

Key Manufacturing Milestones:

  • Low-Temperature Desolventizing: Extracts food-grade, low-temperature defatted soybean meal, preserving active globular proteins.
  • Alkaline Extraction & Acid Precipitation: Solubilizes soy proteins at a neutral-alkaline pH, separating insoluble dietary fiber, followed by precipitation at the isoelectric point (pH 4.5).
  • DACHUANYUAN Spray Drying Tower: Utilizes the largest single spray drying line in China to create uniform powder structures with optimal dispersion properties.
Soy Protein Isolate Advanced Processing Factory Production Line
Application Engineering

Localized Application Scenarios & Functional Profiles

We match structural proteins to specific regional culinary and industrial applications, optimizing chewiness, texture, and emulsion stability.

Meat & Emulsion Systems

Models: 9001BW, 9007B-A, 9007B-C, 9500. Designed for high water and oil absorption, these models form stable protein-lipid-water matrices. Ideal for Western-style hams, emulsified sausages, and Chinese hotpot balls.

Vegetarian & Tofu Analogues

Models: 9003B, 9003BA, 9005B. Optimized for gel elasticity and thermal gelation. Creates a fibrous texture resembling muscle tissue, serving as the core structure for vegetarian burgers, nuggets, and traditional tofu.

Beverage, Dispersion & Nutrition

Models: 9030, 9032. Engineered with low viscosity and ultra-high dispersion rates. Remains suspended in liquid systems without chalkiness, making it perfect for plant milk, powder mixes, and protein beverages.

Xinrui Group Industrial Factory Park & Production Facilities
Corporate Integration

Xinrui Group: A Circular Bio-Economy Leader

Established in May 2003, Xinrui Group has grown into an agro-industrial group encompassing multiple sectors, including cogeneration of heat and electricity, municipal gas supply, wheat deep processing, and oilseed pressing.

Our subsidiary, Guanxian Xinrui Industrial Co., Ltd. (formerly known as Guanxian Ruixiang Biotechnology Development Co., Ltd.), processes 500,000 tons of wheat flour annually. Using advanced tri-canter separation technology, it extracts wheat gluten and high-grade wheat starch (Starch A and Starch B). The secondary starch and pentosan fractions are directed toward ethanol distillation and animal feed, closing the waste loop and demonstrating our commitment to sustainability.

To support seamless commercialization, our dedicated trading division, Guanxian Ruichang Trading Co., Ltd. (founded in 2011), manages direct exports to global clients, handling logistics and compliance documentation for over 70% of the group's capacity.

Shandong Kawah Oils Co., Ltd

Established in 2014, Kawah Oils processes 180,000 tons of non-GMO soybeans annually. Taking domestic soybeans as raw material, it extracts soybean oil, low-temperature food-grade meal, isolated soy protein, and soy dietary fibers. This sequential process maximizes the value of the raw material while minimizing the environmental footprint of our operations.

Shandong Kawah Oils Soy Extraction Plant
Quality Control

Certified Safety & Traceability

Every step of our process is audited by global certification bodies to guarantee consistency, cleanliness, and regulatory compliance.

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)

We maintain active certifications including: IP-NON GMO, BRC, HACCP, ISO 9001, ISO 22000, HALAL, and KOSHER.
Video Documentation

Industrial Plant Tour & Facility Demonstrations

Watch our automated manufacturing lines, high-temperature spray drying systems, and strict QC testing procedures in action.

Macro Industry Solutions

Macro Industrial Solutions for Global Food Processors

How our protein solutions optimize recipe costs, textural mouthfeel, and nutrition profiles.

From an operations standpoint, selecting the appropriate soy protein isolate is not simply about selecting a protein percent. It is about understanding the interactions between raw proteins, emulsifying agents, moisture levels, starch structures, and temperature curves during manufacturing. As a vertically integrated manufacturer, we address these challenges through targeted formulations:

Solution 1: Emulsion Integrity under High Shear

During high-speed chopping in sausage production, mechanical friction generates heat, which can destabilize fat emulsions and lead to fat separation. Our 9007B-A and 9500 meat-type protein isolates are engineered with a balanced ratio of 7S and 11S globulins. This structure creates a strong protective film around fat globules, maintaining emulsion integrity even under high shear forces and heat.

Solution 2: High Yield Injection Brines

For cured ham production, protein isolates must dissolve quickly in brine and flow smoothly through injection needles without clogging. Our 9020 Injection Type is designed for high solubility and low viscosity, enabling deep penetration into muscle fibers. Upon cooking, it forms a cohesive gel matrix that improves sliceability and yields.

Xinrui Factory Lab Research Quality Testing Room
FAQ Center

Frequently Asked Questions

Deep technological answers about our raw materials, functionality, supply chain capacity, and custom services.

Are you a trader or manufacturer?

We are a vertically integrated group company named Xinrui Group that integrates manufacturing and export operations.

Our soy protein isolate is manufactured by our subsidiary, Shandong Kawah Oils Co., Ltd., which has an annual production capacity of 50,000 tons. Our wheat gluten is manufactured by Guanxian Xinrui Industrial Co., Ltd. (formerly known as Guanxian Ruixiang Biotechnology Development Co., Ltd.), producing 30,000 tons of vital wheat gluten annually. Export operations are managed by Guanxian Ruichang Trading Co., Ltd.

What certifications do your facilities hold?

Our production facilities maintain certifications including HACCP, ISO9001, ISO22000, BRC, HALAL, KOSHER, and IP-NON GMO from SGS. We can also provide other documentation and custom testing certificates upon request.

What is the difference between your Meat Emulsion Type (9007) and Beverage Dispersion Type (9030)?

The difference lies in their macromolecular structure and surface chemistry:

  • 9007 (Meat Emulsion Type): Undergoes manufacturing steps that expose hydrophobic amino acid sites. This increases its fat-binding capacity and heat-induced gelation, which is ideal for structured and emulsified meats.
  • 9030 (Beverage Dispersion Type): Processed for high solubility and hydrophilicity, keeping viscosity low even at high concentrations. This prevents sediment formation, making it suitable for dairy alternatives and beverage mixes.
How do you guarantee the Non-GMO status of your soy products?

We utilize an Identity Preservation (IP) system. This tracking system begins at our non-GMO planting bases and continues through harvesting, transport, and raw meal pressing, ending with the final spray-drying step. Every batch is verified via PCR testing for genetic markers before release.

What is the gel strength profile of your vegetarian-type proteins (9003B & 9005B)?

Our 9003B and 9005B models are engineered for high-gelation applications. Upon heat activation (typically above 80°C), they form a strong, elastic protein matrix. This gel network mimics the tensile strength and texture of animal protein, making them ideal for high-moisture meat analogues (HMMA) and textured vegetarian products.

What is the minimum order quantity (MOQ) and lead time for global shipments?

Our standard MOQ is 1 FCL (Full Container Load). With an annual output of 50,000 tons of soy protein isolate and 30,000 tons of vital wheat gluten, we maintain steady stock levels. Standard orders typically ship within 14–21 days from receipt of payment or L/C, depending on port schedules and custom packing requirements.

Complete Range

Industrial Soy & Wheat Products Lineup

We offer a full range of soy isolates, dietary fibers, wheat starches, and functional wheat gluten options for diverse recipes.

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

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

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High-Quality Wheat starch Manufacturer, Factory

High-Quality Wheat starch Manufacturer, Factory

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Wholesale SDF - Soy Dietary Fiber Manufacturer, Supplier

Wholesale SDF - Soy Dietary Fiber Manufacturer, Supplier

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

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

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

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

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

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

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Wholesale 9005B Vegetarian Type, Isolated Soy Protein Supplier, Factory

Wholesale 9005B Vegetarian Type, Isolated Soy Protein Supplier, Factory

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

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

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