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Why Choose Us ?

Chengyuan is the right choice
    We have more than decades of profeesional experience,which makes our products very popular all over the world.
  • R&D TEAM
    We have a professional R&D team and can study cost-effective hot selling materials
    We have strong packaging and efficient logistics system,So we can gurantee the quality and delivery time.


  • Electric power industry

    Falando is used in the power industry.

    The power plant industry is a plant that converts various primary energy sources stored in nature into electricity (secondary energy). In the late 19th century, as the demand for electricity grew, people began to propose the idea of building a power production center.

  • Chemical Industry

    Flanges is used in the power industry.

    The chemical industry occupies an important position in the national economy of many countries and is the basic industry and pillar industry of many countries. The speed and scale of the development of the chemical industry has a direct impact on all sectors of the social economy. The annual output value of the world's chemical products has exceeded $1.5 trillion.

  • Oil Industry

    Flanges is used in the Oil industry.

    Petrochemical industry is the basic industry and pillar industry of national economy. Its development speed and scale have direct influence on every link of social economy. The chemical industry is characterized by various categories, complex processes, diverse products, and various types, large quantities and high toxicity of pollutants discharged in production.

  • Natural Gas Industry

    Flange is used in the Natural gas industry.

    Natural gas is stored in underground porous rock strata, including oil field gas, gas field gas, coal bed gas, mud volcano gas and biogenic gas, and a small amount of it comes from coal seam. It is a high quality fuel and chemical raw material.

  • Metallurgical Industry

    Flange is used in the Metallurgical industry.

    Metallurgical industry refers to the industrial sector that mines, selects and sinters metal ores and refines and processes them into gold materials.

  • Pharmaceutical Industry

    Flange is used in the Natural gas industry.

    Medicine industry is an important part of our national economy, is the traditional industry and modern industry combination, one, two and three industries as a whole industry. Its main categories include: chemical apis and preparations, Chinese medicinal materials, Chinese herbal slices, Chinese patent medicines, antibiotics, biological products.

  • About Us

About Us

Zhejiang Chengyuan Flanged Pipe fitting Co., Ltd. is a reputable high-tech enterprise located in Wenzhou Economic and Technological Development Zone Longwang, specializing in the research, development, and manufacture of stainless steel, carbon steel, and alloy flange and valve series products. The company boasts a range of imported and domestic finishing equipment and inspection equipment to ensure high-quality standards.

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