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Company Overview

Taizhou Huangyan Donghai Chemical Co.,Ltd.was founded in March 1985, we are one of the batch of township enterprises established since China’s reform and opening up. We were formerly known as Huangyan Donghai Chemical Plant, and were renamed as Taizhou Huangyan Donghai Chemical Co., Ltd. in 2005 with a registered capital of RMB11.3 million. In 2002, we passed the ISO90001: 2000 quality certification. In June 2010, we were licensed as Zhejiang Rubber Auxiliary Testing Center and passed the ISO14001:2004 Quality Certification in July the same year.

We are the professional manufacturer of rubber anti-fatigue PL-600 and G-108 in China, and our production of rubber vulcanizing agent TCY is in the higher standard in China. After more than 30 years of development, we have transformed from a company producing single scorch retarder into a professional manufacturer of rubber accelerators, antioxidants, scorch retarders, plasticizers, adhesives, anti-fatigue and various processing aids.

Holding the principle of “Quality Priority, Integrity Oriented” and the concept of “Self-discipline and Social Commitment”, we are sincerely willing to provide the sincere services to our customers.

Taizhou Huangyan Donghai Chemical Co.,Ltd.

Based on the stable operation of production facilities, Donghai Chemical was able to build an efficient business portfolio, as well as secure the competitive edge through active expansion of production facilities and business range.

Donghai Chemical's extensive range of products from polymer to megatrend product groups is widely used in household goods that we frequently encounter in our everyday lives, as well as cutting-edge new materials.

Taizhou Huangyan Donghai Chemical Co.,Ltd. is striving to be a century-old enterprise with the goal of growing into a 'Professional' chemical manufacturer.

Donghai Chemical is one of the professional Chinese rubber chemical industries and have over 35 years of production experience. We are also the professional manufacturer of rubber antifatigue PL-600 and G-108 in China, we also have professional production technology of rubber accelerators,antioxidants,scorch retarders and Various processing additives. The complete supplying system can support your project needs in all directions.

Donghai Chemical is also striving to develop eco-friendly products and secure new growth engines for the future.

Donghai has been awarded as Zhejiang rubber ingredient testing center. It has passed the ISO14001:2004 quality certification. After more than 30 years of development, it has successfully transformed from a single anti-scorching agent production company to a professional production company of rubber accelerator, antioxidant, anti coking agent, plasticizer, adhesive, anti fatigue agent and a variety of processing aids.

Enterprise Advantages

  • Enterprise History

    Over 35 years experienced serving Rubber industries.

  • Plant

    More than 80 thousand square meter’s plant can provide the stable production.

  • Quality

    The advanced lab service, strict management system, ensuring supplying the qualified product.

  • Service

    Not only supplying stably for domestic market, but also developing strongly in the abroad market.




Sales Network

Donghai Chemical is establishing its presence worldwide to enhance its competitiveness
in the overseas markets.

  • Peptide Innovations in Natural Rubber Compounding: A New Era for the Industry

    In the ever-evolving field of rubber compounding, the use of peptide technology is creating a transformative shift. The development of advanced peptizer in natural rubber compounding is opening new doors for manufacturers and setting new standards for product performance, efficiency, and sustainabil...

  • Peptizer for Natural Rubber: A Game-Changer for the Rubber Industry

    In recent years, the introduction of advanced peptizer for natural rubber has marked a significant shift in the rubber manufacturing industry. This innovative compound is transforming how natural rubber is processed, offering new solutions for enhancing product performance, improving efficiency, and...

  • Innovative Rubber Accelerator TMTM TBBS Revolutionizes Tire Manufacturing

    In a groundbreaking development for the rubber industry, the TMTM TBBS rubber accelerator has emerged as a pivotal catalyst in the production of high-performance tires. This innovative accelerator, touted for its efficiency and sustainability benefits, marks a significant leap forward in tire manufa...

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  • No. 2 Longpu Road, Dongcheng Development Zone,
    Huangyan District, Taizhou City, Zhejiang, China
  • 0086 576-84285530
  • [email protected] (Vicky Feng )
    [email protected] (Shirley)
    haiyien@hyeastseachem (Haiyien Zheng)