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  • Barreiros Tool Managers (Portugal): Barreiros is a Portuguese company, founded in 1986 dedicated to comprehensive management of molds... http://www.barreiros.pt
  • Octg Api 5ct 3 1 2 Eue Tubing Coupling J55 N80 L80 P110 Manufacturer - China

    price: 68.00 Dollar US$

    The couplings produced by our company are good at stable quality which the technical parameters are completely complied with the requirements of API5CT and API5B latest standards. Meanwhile, the company has equipped with more than 30 sets CNC threading machines, is able to produce variety of steel grade couplings include STC, LTC, BTC and NU, EU threading couplings. We also supply permium thread products by customer's request
    1.Grade: J55, K55, N80-1, N80-Q, L80, C90, P110
    2.We also supply permium thread products by customer's request
    3.Size: tubing coupling from 1.9" to 4-1/2", Casing coupling from 4-1/2"to 13-3/8"
    4.Type: NU, EU (tubing coupling), STC, LC, BTC (casing coupling).
    5.Surface treatment: Whole phosphating, or inside phosphating and outside coating
    6.Packing: By carton, wooden case, wooden pallet, or by requirements of customers
    Otherwise, our company manufactures and sells casing and tubing, threader protector etc. We always do business based on the principle of equality and mutual benefit, we provide the high quality and competitive price products


    Company Contact:


    • Phone: +862260108906

    • Address: No.2605 Ocean International Center, Tianjin , Tianjin , China

    • Email: Email


    Published date: November 10, 2019 -

    • Business Description: TIANJIN RICHSEN TECHNOLOGY CO.,LTD own modern factory covering a total area of 1000m2, have two Medium Frequency heat treatment production line, with 30 CNC threading machines. We equipped with perfect NDT equipement, full specification of thread measuring instruments pipes to ensure that our products comply with the API Standard. At the same time, the company also invested a seamless pipe factory, in order to supply pipes for our production. The company has passed ISO 9001 and API - 5 CT certification, Annual capacity is one million pieces of couplings. We can also machine various types of Non- API (Premium connection) product.

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