Shengli Oilfield Tongtai International Trading Co.,Ltd -

Shengli Oilfield Tongtai International Trading Co.,Ltd

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casing with api 5ct standard
Specification: API standard
Detail: Size: From 4 1/2" to 13 3/8" seamless Steel grade: J55/K55/N80/L80/P110, Thread type: LTC/STC/BTC

tubing with api 5ct standard
Specification: API standard
Detail: Size: From 2 3/8" to 4 1/2" Steel grade: J55 / K55 / N80 /L80 /P110 Type: EUE /NUE

epdm coiled waterproof rubber material/
Specification: Thickness(mm):1.0mm to 2.0mm
Detail: We use the high-grade raw materials or assistant materials that were purchased at home and abroad .Our products strictly comply with the standard of GB18173.1-2000.The products functions include: resistant to ozone,good durabi...


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