• Manufacturing


    GMP standard

  • innovate


    New ingredients/processes

  • after-sale service

    after-sale service

    Solve problems for customers

  • environmental protection

    environmental protection

    protect the environment

  • Choosethreeadvantages of Tianrui
  • Raw material control

    Raw material control

    Traceable raw material procurement, strictly adhering to quality standards and procurement specifications to ensure the traceability of raw materials.

  • Equipment capacity

    Equipment capacity

    Advanced production equipment and powerful production capacity can quickly complete the delivery

  • quality control

    quality control

    Perfect quality control, responsible for each of our products. Professional R&D team, customized solutions to meet your needs

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    Zhejiang Tianrui Chemical Co., Ltd

             Zhejiang Tianrui Chemical Co., Ltd. is located in the Longyou Provincial Economic Development Zone in Zhejiang Province, China. It is a national high-tech enterprise mainly engaged in the research and development, production, and sales of L-theanine, glutamic acid series products, aspartic acid series products, aspartic acid chelates, threonic acid chelates, composite amino acids, and protective amino acids. The company has designed, constructed, and operated according to the standards of pharmaceutical enterprises, and established a comprehensive production control and quality assurance system in accordance with the regulations of ICH O7. The company has passed FSSC22000 food safety management system certification

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