Haibin Industrial Park,Jiaonan City

Qingdao Huahai Environmental Protection Industry Co., Ltd. was founded in 1975, formerly known as Qingdao No. Seven Rubber Products Plant. Our company lies in Qingdao seashore, covering an area of 93,...

Dongying HongshengPetroleum EquipmentCo., Ltd. was established in August, 2011, with registered capital of RMB 10 million and located in Lijin Economic Development Zone,incoast city Dongying, the base...

Lijin Economic Development

Hongsheng Oil Co., Ltd. is a manufacturer of drilling rig, workover rig, pumping unit, pressure gauge, drill and oil pipe with well-equipped testing facilities and strong technical force. <br/...

No.38,Huanghe Road

CNPS Petro Equipment Co., Ltd. (CNPS), a professional supplier of OCTG, is committed to providing quality casing, tubing, line pipe and sucker rod products at competitive prices and we value every ind...