Dongguan Defond Defoamer Co., Ltd. is a specialized manufacturer and innovative technology company based in Dongguan, China. Established in 2004, the company integrates research, development, production, and sales of high-performance defoamers and antifoam agents. Operating from a production facility exceeding 10,000 square meters, the company maintains an annual production capacity of up to 20,000 tons, supported by ISO 9001 quality management standards. Defond offers a comprehensive product portfolio including silicone and non-silicon defoamers, solid and liquid variants, as well as surfactants, dispersants, and thickeners. These products serve over 30 diverse industries, such as water treatment, metalworking fluids, paper manufacturing, textile printing, and construction materials. As an ODM and OEM service provider, the company places a heavy emphasis on R&D, employing a technical team that includes 5 doctor engineers and 31 engineers. Their research capabilities are further enhanced through a dedicated laboratory and strategic collaborations with prestigious institutions like Tsinghua University. With a strong international trade focus, the company exports a significant portion of its output to global markets, maintaining a reputation for technical innovation and steady development in the industrial chemical sector.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
High-tech enterpriseRecognized as a high-tech or innovative enterprise.
Established brandFounded in 2004, with over 20 years of industry experience.
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Products
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Cement Mortar Defoamer
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Certifications
ISO 9001
2
International Organization for Standardization 9001
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Dongguan Hongrui Chemical Co., Ltd. is a technology-based enterprise and OEM manufacturer based in Dongguan, China, specializing in the research, development, production, and sales of chemical additives. Established in 2011, the company operates a factory and employs 11 to 50 people. They offer a comprehensive range of "Hongrun brand" chemical additives, including defoamers, leveling agents, dispersants, wetting agents, anti-scratch agents, adhesion promoters, and various water-based additives. These products are widely applied in coating ink, electronics, daily chemicals, textile leather, and plastic rubber industries, as well as industrial cleaning, leather, and paper sectors. Dongguan Hongrui Chemical Co., Ltd. is committed to quality, holding ISO 9001, ISO 14001, and GMI certifications. With strong production capabilities, a complete color management system, and high-end testing instruments, they ensure product quality from prepress to post-printing. The company also provides comprehensive technical and after-sales support, serving both domestic and international chemical enterprises with an export percentage of 51%-70%.
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Yingde Tongfugui Technology Materials Co., Ltd.
🇨🇳 China
201211-50 peopleTrading Company
High-tech enterprise
Own brand
OEM manufacturer
Product customization
Description
Yingde Tongfugui Technology Materials Co., Ltd. is a professional chemical raw material enterprise based in Qingyuan, China. Established in 2008 and recognized as a national high-tech enterprise, the company specializes in the research, development, and distribution of coating chemical raw materials and processing agents. With a workforce of 11 to 50 employees and an annual revenue between US$5 million and US$10 million, the firm operates through specialized departments including Technical R&D, Quality Inspection, and Customer Service to support over 1,300 clients.
The company offers a comprehensive portfolio of chemical auxiliary agents, including aziridine crosslinkers, dispersing agents, and defoaming agents. Their product range extends to specialized resins such as chlorinated polypropylene (CPP), polyurethane ink resins, and mirror silver resins, as well as various leveling agents and lubricants. These materials serve multiple industrial applications, including water-based coatings, leather processing, gravure inks, and industrial paint systems. Yingde Tongfugui Technology Materials Co., Ltd. maintains a robust service system supported by a CRM management framework, focusing on market-driven innovation and high-quality chemical solutions for the global B2B market.
2222 High Quality Chinese Brand Liquid Defoaming Agents Two-Component PU System One-Component Water Treatment Chemicals$258.36