OEM/ODM Soy Protein Factory & Exporter

Leading Plant-Based Ingredient Solutions through Cutting-Edge Extraction & Formulation Innovation

B2B Solutions & Global Industrial Strength

Dongguan Tsrel Biology Co., Ltd. is a professional China vegetal protein manufacturer specializing in the research, development, production, and supply of high-quality plant protein ingredients for food, beverage, and nutritional applications. With a strong focus on innovation, sustainability, and quality assurance, the company is dedicated to providing reliable plant-based ingredient solutions to customers worldwide.

Equipped with advanced manufacturing facilities and modern processing technologies, Dongguan Tsrel Biology offers a comprehensive range of vegetal proteins, including soy protein, pea protein, rice protein, wheat protein, and other specialty plant proteins. These ingredients are widely used in functional foods, nutritional supplements, sports nutrition products, dairy alternatives, meat alternatives, beverages, bakery products, and health food applications.

Innovation is a key driving force behind the company's growth. Supported by an experienced research and development team, Dongguan Tsrel Biology continuously explores new technologies and application solutions to meet the evolving demands of the global food and nutrition industries. The company also provides customized ingredient solutions to help customers optimize product formulations, improve nutritional profiles, enhance texture, and create clean-label products.

Quality and food safety are integrated into every stage of production. From raw material sourcing and processing to final testing and packaging, strict quality control procedures are implemented to ensure product consistency, purity, safety, and compliance with international standards. This commitment enables the company to deliver dependable products that meet the rigorous requirements of global customers.

With customer satisfaction at the center of its operations, competitive manufacturing capabilities, stable supply chains, and professional technical support, Dongguan Tsrel Biology Co., Ltd. has established long-term partnerships with food manufacturers, distributors, and brand owners across international markets. The company remains committed to advancing sustainable nutrition through innovative plant protein solutions for the global marketplace.

50,000+
Annual Capacity (Tons)
80%
Export Volume Ratio
35+
Global Trade Destinations
100%
Clean Label Traceability

Global Soy & Plant Protein Industrial Dynamics

The global demand for high-performance plant protein has reached unprecedented levels. Driven by shifting consumer behaviors towards environmental sustainability, veganism, and clean-label diets, soy protein remains the cornerstone of the plant-based ingredient sector. As a multi-functional macronutrient, it has transitioned from a simple filler to a highly engineered component essential in modern food formulation. Dongguan Tsrel Biology operates at the nexus of this revolution, bridging the gap between raw agricultural yield and specialized molecular ingredients.

Rising Global Consumer Intent

Consumers are demanding protein options with high Digestible Indispensable Amino Acid Scores (DIAAS). Soy protein isolates (SPI) remain the premium choice, yielding an amino acid index comparable to whey protein while offering superior gelling, emulsification, and water absorption properties.

OEM/ODM Dynamic Customization

Brands now require precise protein formulations rather than off-the-shelf bulk raw materials. We customize proteins to adjust gel-strength, solubility levels, particle sizes, and flavor profiles, matching technical parameters required for dairy, baking, and clinical nutritional applications.

Non-GMO Sourcing & Supply Safety

Global regulatory landscapes, particularly EFSA in Europe and FDA in North America, mandate strict tracking of GMO profiles. By sourcing premier domestic non-GMO soybeans and conducting state-of-the-art DNA testing, we guarantee complete supply chain integrity.

Technology & Process Engineering Roadmap

Our factory utilizes advanced bio-separation and physical modification technologies to ensure the natural protein structure is preserved while functional properties are maximized.

Phase 01

Precision Raw Material Cleaning & De-fatting

Applying automated gravity separators and mechanical dehulling systems to eliminate impurities. De-fatting is performed under low-temperature conditions (cold press / gentle hexane extraction) to prevent premature protein denaturation, preserving native nitrogen solubility index (NSI).

Phase 02

Isoelectric Precipitation & Membrane Filtration

Raw proteins are dissolved in a mild alkaline solution to extract soluble proteins, leaving behind insoluble fiber. The solution is adjusted to the isoelectric point of soy protein (pH 4.5) to precipitate the protein isolates. Advanced ultrafiltration membranes are deployed to concentrate and purify the proteins without chemical damage.

Phase 03

Functional Modification & Thermal Inactivation

To optimize gelling and water binding capacity, the isolates undergo enzymic hydrolysis (using food-grade endoproteases) or high-shear physical homogenization. Anti-nutritional factors, such as trypsin inhibitors, are thermally inactivated via high-temperature short-time (HTST) processes, ensuring safety and digestion ease.

Phase 04

Micro-Fluidized Spray Drying & Vacuum Packing

A specialized nozzle atomizes the refined liquid protein within a drying tower using hot air currents, instantly creating free-flowing, low-dust, highly soluble protein powders. Standardized products are vacuum-packed under nitrogen atmospheres to ensure a 24-month stable shelf life.

Supply Chain Resilience & China Manufacturing Strengths

Dongguan Tsrel Biology operates out of Guangdong Province, the logistical heart of southern China. This strategic positioning gives us unprecedented access to global trade networks. We leverage a robust local ecosystem, combining high-tech bio-engineering talent, machinery suppliers, and direct logistics corridors to the major shipping ports of Shenzhen and Guangzhou.

Our raw material sourcing is safeguarded by long-term contracts with massive non-GMO cultivation regions in Heilongjiang and northeastern China. This integrated domestic supply pipeline insulates our global buyers from volatility in agricultural commodity markets. In terms of energy efficiency and cost structures, our plant runs a state-of-the-art co-generation thermal energy system, reducing the carbon footprint of production while maintaining highly competitive pricing tiers for global distributors and OEM brands.

Additionally, our logistics operations utilize intelligent tracking technologies. From bulk dry containers to air-cargo express samples, our systems provide shipping transparency, automated export documentation, and real-time customs clearance management, eliminating delays for our global partners.

Localized Applications & Formulation Engineering

Different markets demand distinct functional behaviors. We adjust variables like gel strength, oil binding capacity, bulk density, and organoleptic properties to fit targeted localized applications:

North America & Western Europe

Meat Alternatives & Dairy Substitutes: High-density textured vegetable proteins (TVP) designed to match the tensile fibrous properties of beef and poultry. Low-viscosity isolates for plant milk alternatives that resist precipitation and curdling during hot beverage mixing.

Latin America & Eastern Europe

Processed Meat Bindings & Emulsified Fillers: Soy proteins configured to act as functional binders in sausages, hams, and meat patties. They increase yield margins, retain water, and stabilize fat emulsification, reducing juice loss during cooking cycles.

Asia Pacific & Middle East

Beverages, Confectionery & Infant Foods: Ultra-fine hydrolyzed oat and chickpea proteins designed to withstand retort processing without sedimentation. They serve as dairy protein alternatives, formulated to meet strict allergen-free criteria and dietary standards.

Global Compliance, Audits & Quality Certifications

To operate successfully as a premier exporter, our production facilities strictly comply with international standards. We invite third-party audits annually to verify our systems:

GFSI-Recognized Food Safety Standards

Our factory operates under FSSC 22000 & BRCGS Food Safety Standards. Hazard Analysis and Critical Control Points (HACCP) programs monitor every step from the intake of raw beans, through wet processing, to finished metal-detected packaging lines.

Religious, Organic & Allergen Classifications

We supply verified Halal & Kosher certified products to meet diverse cultural consumer demands. Additionally, our specialized processing lanes isolate gluten-free and allergen-monitored products to avoid cross-contamination.

Industrial Plant Protein FAQ & Solutions

Q1: What are the differences between Soy Protein Isolate, Concentrate, and Textured Soy Protein?
Soy Protein Isolate (SPI) contains over 90% protein, stripping away almost all non-protein components. It offers maximum solubility and neutral flavor, making it ideal for sports drinks, dietary supplements, and infant formulas.

Soy Protein Concentrate (SPC) contains about 70% protein, retaining some naturally occurring dietary fiber. It is typically used in baking and as emulsifiers.

Textured Vegetable Protein (TVP) is extruded to create a fibrous structure resembling animal meat, serving as the foundational block for plant-based burgers, sausages, and minced meat alternatives.
Q2: How does Dongguan Tsrel Biology manage flavor profile optimization?
One of the main challenges in plant-based proteins is the presence of "beany" off-flavors caused by aldehyde compounds and lipoxygenase activity. Our modern processing plant uses controlled flash-evaporation and thermal inactivation steps during initial extraction. This neutralizes these compounds without damaging the protein's native structure, ensuring clean taste profiles that require fewer artificial flavor maskers in finished consumer formulations.
Q3: Do you support custom OEM/ODM specifications?
Yes. We provide complete customization services. We can adjust the Nitrogen Solubility Index (NSI), viscosity profiles, density metrics, particle sizing (mesh size), and water-binding capacity to meet the precise technical requirements of your final product.
Q4: What is the typical lead time and shipping process for bulk export?
For standard formulations, shipping is generally arranged within 15–20 days from order confirmation. Custom ODM orders require roughly 30 days, which includes pilot batch manufacturing and certificate of analysis (COA) validations. We handle all export documentations, custom entries, and provide shipping updates from port-of-loading to final port-of-arrival.

Industrial Production Lines & Facility Infrastructure