Changzhou Haitong Petroleum Tube Co Ltd
Changzhou Haitong Petroleum Tube Co.,Ltd is located in east China, which is specialized in manufacturing tubing, casing, pup joints, macaroni tubing, crossover, coupling, lifting plug and premuim connection.Changzhou Haitong Petroleum Tube through the nearly 10 years of develop, has become an outstanding manufacturer and trader of OCTG accessories.