常州海通石油管业有限公司
Changzhou HaiTong Petroleum Tube Co., Ltd mainly produces tubing, casing, crossover, pup joint and premium connection. Our company specialize in producing macaroni tubing(1.315-1.9inch) and premium connection and has achieved United States Petroleum Institute API SPEC 5CT quality certification and ISO9001:2008 quality system certification.
Website：www.hpwz.com