Yantai Zhouji Marine Biotechnology Co., Ltd., headquartered in Haiyang, Yantai, Shandong Province, China, is a specialized manufacturer of alginate-based marine biopolymers and marine chemical derivatives. Founded in 2009, the company has established itself as a prominent player in the industrial and food-grade sodium alginate market, with global exports to Asia, Europe, North America, and the Middle East.  ## Core Business and Product Portfolio  Zhouji Marine Biotechnology focuses on the extraction, purification, and refinement of alginates from marine algae, primarily brown seaweed. Its portfolio spans both industrial and food-grade applications, catering to sectors such as food processing, pharmaceuticals, textile, paper manufacturing, welding, and water treatment.  ### 1. Sodium Alginate (Food Grade and Industrial Grade) - Food Grade:   - Used as a thickener, stabilizer, gelling agent, and emulsifier   - Applications: dairy, meat products, desserts, beverages, bakery - Industrial Grade:   - Used in textile printing, paper sizing, ceramics, and welding electrodes   - Offers excellent film-forming and water retention properties  ### 2. Propylene Glycol Alginate (PGA) - Emulsifying, stabilizing, and thickening agent - Widely applied in sauces, dressings, dairy, and low-pH systems - Offers acid resistance and oil-binding capabilities  ### 3. Anhydrous Calcium Chloride - Industrial-grade coagulant and drying agent - Applications: desiccants, water treatment, de-icing, oil drilling  These products are manufactured in compliance with Chinese GB, FCC, USP, and EU food-grade standards.  ## Specialization and Unique Selling Proposition  Zhouji Biotechnology holds a competitive position in marine biopolymers through: - Specialized expertise in sodium alginate refinement - Annual alginate production capacity exceeding 6,000 metric tons - Integrated extraction-to-finished-product operations - Capability to offer custom viscosity and particle size specifications - Strict environmental compliance in seaweed procurement and processing  The company leverages advanced membrane filtration, precipitation, and drying technology to ensure consistent quality and high-purity output.  ## Financial Overview  Based on industry databases, local regulatory filings, and B2B commerce disclosures: - Registered Capital: RMB 32 million - Estimated Annual Revenue (2023): RMB 90–100 million (~USD 12.5–14 million) - Production Area: Over 22,000 square meters - Annual Alginate Capacity: 6,000+ metric tons - Employee Count: Approx. 160, including 20 technical specialists  The company continues to scale its production infrastructure to meet the growing global demand for clean-label texturizing agents.  ## Export and Shipment Records  Trade data platforms (Volza, ImportYeti, Made-in-China) indicate: - Over 300 international shipments completed from 2020 to 2024 - Top Export Destinations: India, Indonesia, South Korea, USA, Egypt, Spain - Primary Export Products: Industrial grade sodium alginate, food grade alginate, PGA - Clients: Food ingredient importers, dairy producers, welding consumables manufacturers, textile dyers  Zhouji has built a dependable logistics and documentation system to serve markets with varying regulatory frameworks.  ## Target Markets  Yantai Zhouji serves B2B clients in: - Food and Beverage Processing - Textile and Paper Manufacturing - Welding Electrode Fabrication - Pharmaceutical and Cosmetic Formulation - Oil & Gas and Industrial Chemicals  The company offers bulk packaging and formulation advisory to tailor products for customer-specific applications.  ## Capabilities and Facilities  The manufacturing site in Haiyang is outfitted with: - Algae preprocessing and extraction systems - Automated filtration and chemical synthesis lines - Spray-drying and sterilization equipment - Particle control and viscosity adjustment modules - In-house R&D lab for quality assurance and new product development  Production meets domestic and international food safety, environmental, and worker safety standards.  ## Certifications and Compliance  Zhouji Marine Biotechnology maintains strict quality protocols and holds multiple regulatory certifications: - ISO 9001:2015 Quality Management System - HACCP for food safety processes - Halal and Kosher Certification (select food-grade alginates) - EU-compliant technical and safety data sheets (TDS & SDS) - FDA Registration for U.S. export - REACH pre-registered for industrial chemicals (Calcium Chloride)  Products are backed by detailed COA, MSDS, and export documentation as required by global clients.  ## Customer Testimonials  > “Zhouji’s food-grade sodium alginate offers reliable gelling strength and consistent moisture retention. It’s integral to our processed cheese formulation.”   > — Technical Director, Dairy Company, Indonesia  > “We use Zhouji’s alginate for our welding electrode coating. Their industrial-grade product gives the right adhesion and burn-off profile.”   > — Procurement Head, Welding Consumables Manufacturer, India  ## Major Achievements  - Recognized as a “Shandong Provincial Specialized Marine Enterprise” (2022) - Ranked among China’s Top 5 sodium alginate exporters (by shipment volume) - Developed food-grade alginate with reduced heavy metals content to meet strict EU and U.S. norms - Partnered with oceanic R&D institutes in Yantai and Qingdao for extraction optimization - Expanded into propylene glycol alginate production to meet demand in emulsified food systems  Yantai Zhouji Marine Biotechnology Co., Ltd. is a trusted supplier of marine biopolymers and industrial alginates, leveraging scientific expertise and regulatory excellence to serve global industries with precision and integrity.