Tianjin Annuolida New Materials Technology Co., Ltd
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Tianjin Lida Changji Technology Development Co., Ltd.
🇨🇳 China
197511-50 peopleManufacturer/Service CompanyEstablished brand
High-tech enterprise
Patented technology
Industry association member
Key customer
CHINA NATIONAL PETROLEUM CORP
Key market
🇷🇺 Russia
Description
Tianjin Lida Changji Technology Development Co., Ltd. is a high-tech manufacturer and service company based in Tianjin, China, specializing in the research, development, production, and sale of comprehensive anticorrosion products and solutions. Established in 1975 as Tianjin Standard Corrosion Prevention Research Institute, the company operates a 4000 square meter production facility and employs 11 to 50 people. They are a contract manufacturer with a focus on industrial anticorrosion products, including anticorrosion adhesive tape, PE piping anticorrosion adhesive tape, anti-ultraviolet piping anticorrosion adhesive tape, anticorrosion sealing oil band systems, special primers, and mesh reinforced fiber. Tianjin Lida Changji Technology Development Co., Ltd. provides anti-corrosion designs, installations, maintenance, evaluation, and consulting services. Their products meet international standards such as CNPC SY/T-2007, NACE, and ANSI/AWWA, and are exported to Russia, America, Australia, Germany, and the Middle East, serving major clients like CNPC, SINOPEC, and SINOPEME.
PE Piping Anticorrosion Adhesive Tape
Anticorrosion Sealing Oil Band System
Special Primer
Anti-Ultraviolet Piping Anticorrosion Adhesive Tape
Dongying Aonuo International Trade Co., Ltd.
🇨🇳 China
201051-100 peopleManufacturer/Trading CompanyHigh-tech enterprise
Own brand
Low MOQ
OEM manufacturer
Shipments
33
Key customer
YIKANG
Key market
Asia
Description
Dongying Aonuo International Trade Co., Ltd. is a high-tech enterprise based in Dongying, Shandong, China, specializing in the research, development, and production of polyurethane elastomer chain extenders and polyurea-related products. Operating as both a manufacturer and trading company, the firm is integrated with research, production, sales, and service capabilities. It maintains an ISO 9001 certification and leverages R&D collaborations with institutions such as Qingdao Technological University and the South China University of Technology to drive innovation in chemical processing.
The company's core product portfolio includes high-performance chemicals such as Diethyl Toluene Diamine (DETDA), Dimethylthio Toluene Diamine (DMTDA), MOCA, and M-CDEA. These materials are essential for applications in spraying polyurea, polyurethane elastomers, reaction injection molding (RIM), epoxy resins, and adhesives. Dongying Aonuo reports significant manufacturing capacity, with an annual output of 3,000 tons for DETDA and 1,000 tons for DMTDA. Beyond raw chemicals, the company provides finished application solutions, including waterproof polyurea coatings for swimming pools, bridges, and speaker cabinets, as well as specialized polyurethane foam and spray coating machinery.
Established with a strong international trade focus, the company offers OEM and ODM services to global clients. It operates with a workforce of approximately 51 to 100 employees and maintains multiple production lines to ensure consistent supply. Dongying Aonuo is committed to quality-driven management, aiming to provide advanced chemical materials and equipment to the global polyurethane and polyurea industries.
Aluminum Wheel for Truck Usage