API 20E-BSL All Level Products --- Zhejiang Weigao Standard Parts Co.,Ltd.
  • Stud
  • Bolt
  • Nut
  • Other
  • Surface
  • Drawing
  • API 20E-BSL1-2-3
  • Contact
  • Contact Us

    Contact Us
    Website name: Zhejiang Weigao Standard Parts Co.,Ltd.
    Name: Mr. Cheng Xi (Regional Manager)
    Tel: 022-58627082
    Fax: 022-58627083
    Cell phone: 13920030322
    Address: Tianjin city Nankai District Xiangyang Road Street Nanniwan Road No. 6 (Tianjin City Knitting Factory Hospital) A block 120
    To: 300112
    Q Q number: 125170091
    Company homepage:

    API 20E-BSL All Level Products

    Current Location : HomePage > Products

    API 20E-BSL All Level Products

    WeiGao quality API stud - nut assembly sets are mass produced by standard components:

    Key words: API screw, API bolt, API stud, API nut, API stud bolt, API full thread stud, API double-headed stud, API hexagon bolt, API bolt and nut, API stud and nut.

    Applicable to: high temperature high pressure low temperature high pressure valve;Marine, Marine, chemical and fluid engineering;Pressure vessel;Petrochemical equipment and other high temperature high pressure low temperature high pressure equipment.

    Products in strict accordance with the requirements of the API production, you are welcome to call the letter to negotiate!

    WeiGao on October 16, 2017, the company's new awarded by the American Petroleum Institute API (American Petroleum Institute) issued by the API - 20 e the oil and gas industry with alloy and carbon steel bolt, the API - 20 f the oil and gas industrial corrosion bolt double monogram certificate, become the world's home by 20 e, 26 10 through 20 f logo certification of manufacturing companies (currently is the domestic only a certificate for API double emblem of fastener enterprises).

    API product surface blackening treatment

    API product surface phosphating treatment

    API 2E-1 Studs Nuts -PTFE teflon coating

    API product inspection document

    Customer API bolt - nut installation


    At the early stage, with the help of Suzhou Valve Factory of China Nuclear Industry Group, in 1995, the company started to provide high pressure fasteners that were fully compliant with ASTM standard series for Suzhou Kaifu Valve Factory, a joint venture of the United States company CIRCOR and Suzhou Valve factory. Since then, the company has embarked on a path of cooperation with internationally renowned companies. The well-known manufacturers we are serving are: Neways Valves, KITZ, LARSON & TOUBRO LIMITED (Chinese factory), THEWM POWEU COMPANY (Chinese factory), NEWCO-NEWMANS DIV (Chinese factory), China Huanqiu Engineering Co., Ltd., Yitai Coal Industry, Sinopec, China Founder, and other well-known domestic and international high-quality companies.

    To produce high-quality fasteners is our commitment to customer. Pure-minded, we are concentrated on our specialized field. Over the past decades, we have been consistently sticking to the operation idea of conscientious operation, whole-hearted service, and the pursuit of perfection, striving to build a high quality image of fasteners bearing the “Y” sign in the industry. We will firmly establish the awareness of “quality Priority”, and gradually realize a high degree of standardization and international sales management.

    Note: API 6A Ed-21 officially defines the industry specification for wellhead fasteners!