Premium Plant Protein Solutions

High-Quality Dispersive Soy Protein Manufacturer & Supplier

Executive Scientific Analysis: Understanding Dispersive Soy Protein (DSP)

By the R&D Technical Committee of Shandong Kawah Oils & Xinrui Group

In modern industrial food formulation, achieving a stable thermodynamic dispersion using soy-based proteins is critical to product quality, texture, and shelf life. Dispersive Soy Protein (DSP)—chiefly isolated soy protein processed for low-viscosity, high-solubility dispersion (such as our proprietary 9030 & 9032 series)—differs significantly from standard gelling proteins. Through specific thermo-chemical modification, the tertiary structure of globular proteins is systematically unfolded, exposing hydrophilic sites while regulating hydrophobic domains.

Key Engineering Metric: The Nitrogen Solubility Index (NSI) of our dispersive isolates exceeds 90%, yielding a protein solution that provides high dispersibility, stability under pasteurization temperatures, and minimal sedimentation in liquid phases.

Our research focuses on solving the primary issue faced by large-scale beverage and liquid dairy processors: protein aggregation. By applying shear-induced structural alignment during the spray-drying phase in our state-of-the-art Dachuanyuan drying towers, we ensure that individual protein particles maintain uniform particle size distribution. This molecular architecture prevents sedimentation and phase separation, even in acidic food environments or highly concentrated nutritional beverages.

Enhanced Emulsification

Exposed molecular chains wrap around lipid droplets quickly, stabilizing fat-water systems in high-shear environments.

Optimized Viscosity

Engineered to prevent thickening at high inclusion levels, allowing for high protein content without affecting mouthfeel.

Non-GMO IP Protection

100% Identity Preserved (IP) domestic Non-GMO soy resources verified by SGS certification from soil to final delivery.

Shandong Kawah Oils Production Facility

Pioneering Plant Protein Since 2003

Founded in May 2003, Xinrui Group has grown into a diversified industrial agricultural group covering more than 1,000 mu. The group encompasses an integrated circular economy consisting of Guanxian Xinrui Industrial Co., Ltd. (formerly Guanxian Ruixiang Biotechnology Development Co., Ltd), Shandong Kawah Oils Co., Ltd., and Guanxian Ruichang Trading Co., Ltd. With a group-wide annual output value of 2.8 billion Yuan, we offer reliable stability to global buyers.

Our dedicated soy division, Shandong Kawah Oils Co., Ltd. (established in 2014 with 120 million Yuan registered capital), processes 180,000 tons of domestic Non-GMO soybeans annually. We control the entire production chain: starting with seed selection at our dedicated Non-GMO planting bases, extracting food-grade soybean oil, producing low-temperature defatted meal, and culminating in high-purity isolated soy protein and dietary fiber extraction.

The Dachuanyuan Extraction Advantage

To produce highly dispersible, uniform soy protein isolate, Shandong Kawah Oils operates the largest single production line in China. Our processing line utilizes an advanced spray drying tower from DACHUANYUAN, enabling precise control over inlet/outlet temperatures and atomization speed. This equipment ensures consistent bulk density, wetting properties, and hydration profiles for every batch of 9030, 9032, and 9007B-C series proteins.

To support global supply chains, our trading arm, Guanxian Ruichang Trading Co., Ltd. (founded in 2011 with 6 million Yuan registered capital), manages direct exports for over 70% of the group's capacity. By consolidating manufacturing and logistics, we offer a direct path from plant floor to container port.

Dachuanyuan Spray Drying Equipment

China Factory 4.0: Circular Economy & Supply Chain Security

How our closed-loop industrial park ensures pricing stability and continuous production throughout the year.

500k Tons
Wheat Processed Annually
180k Tons
Non-GMO Soybean Capacity
50k Tons
Isolated Soy Protein / Year
2.8B CNY
Annual Group Revenue

Our circular industrial park is designed to withstand volatile resource and energy markets. At Guanxian Xinrui Industrial Co., Ltd., we process 500,000 tons of wheat flour annually. Our imported tri-canter separation technology extracts vital wheat gluten, wheat starch A, and wheat starch B. Byproduct starch B and pentosan are recycled directly into high-grade ethanol and animal feed production.

Integrating a cogeneration power plant, municipal heating, and gas supply systems into our circular model ensures that Shandong Kawah Oils operates independently of external thermal energy fluctuations. This infrastructure keeps energy costs stable and ensures consistent production of isolated soy protein and dietary fiber, even during peak winter demand or environmental regulation periods.

Macro Industry Solutions: Targeted Formulations

Solving textural and stability issues for specialized industrial sectors.

Beverages & Nutrition

Our dispersion types 9030 and 9032 dissolve quickly in water, dairy alternatives, and protein powder mixes, providing a smooth mouthfeel and clean flavor profile.

Meat & Injection Processing

Our meat-grade emulsifying types (such as 9006B, 9001BH, and 9500) are designed to retain moisture and hold structure in injected, emulsified meat products.

Plant-Based Alternatives

Our 9005B and 9003B vegetarian-grade isolates provide structural integrity and bite strength for plant-based meats, tofu products, and analog cheeses.

Global Sourcing: Demands of Industrial Procurement

Large-scale food manufacturing relies on consistent raw material behavior. A minor change in gelling point, hydration speed, or microbial limits can halt entire manufacturing lines. Understanding these factors, Shandong Kawah Oils maintains strict quality parameters for every batch of dispersive and emulsified protein isolates.

Our logistics integration via Guanxian Ruichang Trading Co., Ltd. handles customs clearance, packing specifications, and international transit. We ship in robust, moisture-barrier multi-wall paper bags with PE inner liners. This packaging protects the fine powder from environmental moisture and compaction during ocean transit, ensuring the protein arrives ready to process.

Original Corporate Product Showcase & Credentials

Retaining all original factory catalog divisions and international certifications.

Xinrui Factory Entrance

Product Center Divisions

  • Isolated Soy Protein: Dispersion & Beverage Types, Emulsion Types, Injection Types, Vegetarian Types.
  • Soy Dietary Fiber: High water-binding capability dietary fibers for bakery and nutritional fortification.
  • Vital Wheat Gluten: High-activity wheat protein for bakery, flour milling, and pet food applications.
  • Wheat Starch: High-grade starch A & B for food and industrial processing.

Certified Food Safety & Quality Management Systems

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)

Xinrui Group Certificate 1

Xinrui Group Certificate (1)

Technological Roadmap: The Future of Soy Protein Functionalization

The global demand for plant-based protein is shifting toward clean-label solutions. Our R&D team is focused on advancing physical modification methods to reduce reliance on chemical additives. By adjusting temperature and pressure profiles during hydration, we can modify the protein's native structure to optimize performance.

Furthermore, our sustainability roadmap targets reducing energy and water use throughout our extraction process. By integrating water reuse systems and optimizing the waste stream from wheat starch processing, we continue to improve the environmental footprint of our proteins. This focus on resource efficiency helps protect our customers from supply disruptions and helps them meet their own corporate sustainability goals.

Xinrui Group Manufacturing in Action

Take an inside look at our modern facility, advanced spray towers, and automated packaging systems.

Xinrui Group Details Certificates Group banner 9007B-C Soy Protein 9007B-C Image 2 9007B-A Soy Protein 9001BW Soy Protein 9030 Beverage Protein 9020 Injection Protein 9005B Vegetarian Protein 9003B Vegetarian Protein 9500 Emulsion Protein SDF Soy Fiber SDF Details Wheat Gluten Pellets Wheat Gluten Powder VWG Pellets VWG Powder Functional SPC Wheat Starch Product SPC Ruiqianjia Protein SDF Fiber Beverage & Dispersion Type 9030 Isolated Protein Soy fiber product VWG powder product 9000 Meat type VWG pellets product 9007B-A product Ethanol product

Frequently Asked Questions (FAQ)

Detailed solutions regarding technical parameters, ordering structures, and global delivery logistics.

Are you a trader or manufacturer?
We are a vertically integrated group company named Xinrui Group that handles both manufacturing and direct export services:
  • Shandong Kawah Oils Co., Ltd: Our dedicated soy protein manufacturing facility, producing up to 50,000 tons of isolated soy protein annually.
  • Guanxian Xinrui Industrial Co., Ltd.: Our wheat processing division, producing 30,000 tons of vital wheat gluten annually.
  • Guanxian Ruichang Trading Co., Ltd.: Our dedicated export arm, managing logistics and shipping for international accounts.
What certificates do you have for export?
Our facilities maintain several key international certifications to ensure product quality and regulatory compliance:
  • Food Safety & Quality: HACCP, ISO9001, ISO22000, and BRC.
  • Dietary Compliance: HALAL and KOSHER.
  • Raw Material Traceability: IP-NON GMO certification, ensuring complete tracking from seed selection through processing.
  • Third-Party Verification: SGS inspections and other certifications are available upon request.
What is the functional difference between Dispersion Type (9030/9032) and Emulsion Type (9007B-C/9500)?
The difference lies in their protein structure modifications:
  • Dispersion Type (9030/9032): Engineered for low viscosity and high solubility. Designed to disperse quickly in liquid formulations without clumping, making it ideal for beverages and dry-mix powders.
  • Emulsion Type (9007B-C/9500): Structured to bind water and fats, creating a stable emulsion. This type is ideal for sausage, meat-injection, and vegetarian meat alternatives.
How does Shandong Kawah Oils control Non-GMO purity?
We manage a complete identity preservation system:
  • We source exclusively from contracted domestic Non-GMO soybean fields.
  • Incoming raw materials are tested at the processing gate.
  • We operate dedicated processing lines that do not process GMO materials, avoiding any potential cross-contamination.
  • Every export batch is backed by IP-NON GMO documentation.