Changzhou Darun Steel Tube Co., Ltd. specializes in the production of OCTG, seamless steel tubes for boilers, structure and liquid according to standards ASTM, API 5CT, API5L (license no. 5CT-0704 and 5L-0520).
ProductsKeyword
steel pipe, steel tube, casing and tubing, line pipe, API tubing, drill pipe, OCTG, pipe, tube