API 5LShengli 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.
ERW pipe:
ERW casing size:
OD 4-1/2", 5-1/2", 7", 9-5/8", 10-3/4", 13-3/8"
Steel grade: J55, K55, N80, P110
Structural pipe:
OD 4-1/2", 5-1/2", 6-5/8", 7", 8-5/8", 9-5/8, 10-3/4, 12-3/4, 14"
Grade: Q195, Q215, Q235
Line pipe:
OD: 4-1/2, 5-9/16, 6-5/8, 8-5/8, 10-3/4, 14"
Grade: A, B, X42, X46, X52, X56, X60, X65, X70, X80
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