Shengli Oilfield Freet Petroleum Equipment Co., Ltd., a subsidiary company 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.

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

Sucker rod:

Conventional sucker rod, D-Grade, Anti-Corrosion

HY-Type

Hollow sucker rod

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: 4-1/2”-20”

Grade: H40, J55, K55, N80, L80, P110