Shengji Petro has more than 30 years’ experience in making OCTG products. This is API 5CT Casing and Tubing manufacturer in China.

Shengji Petro OCTG includes HDPE/EXPE liner tubing, epoxy resin coating, anti-corrosion tubing, coated sucker rod, vacuum insulated tubing & casing and oilfield precise rolling pipe.

Since 1999, Shengji Petro has been authorized to use API 5CT monogram. Shengji Petro has also adopted defect detective machine to control the quality of all OCTG products. So far, Shengji Petrohas exported tons of OCTG products overseas and has won a good reputation among its clients.