Shengli Oilfield Freet Petroleum Equipment Co., Ltd., a subsidiary co***ny of SINOPEC originally, established in 1964, is a large and comprehensive enterprise engaging in manufacture of petroleum equipment.
Our main products with API authentication: ERW pipe, steel pipe, pumping unit, tubing, sucker rod, and casing. For more information, please check our website www.slfrt.com.
Tubing:
OD: 1.9, 2-3/8", 2-7/8", 3-1/2", 4", 4-1/2"
Grade: J55, K55, N80, L80, P110
Casing:
OD: 4-1/2Ħħ-20Ħħ
Grade: H40, J55, K55, N80, L80, P110
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