Hebei Deep-ocean Pipe Manufacturing Co., Ltd is the designated manufacturing enterprise of Ministry of Construction, PRC. The company is located in Yanshan, a historical city and China’s manufacture base of pipelines and joints. The company is close to Beijing and Tianjin to the north and Huanghua Port to the east with convenient transportation and advantageHebei Deep-ocean Pipe Manufacturing Co., Ltd is the designated manufacturing enterprise of Ministry of Construction, PRC. The company is located in Yanshan, a historical city and China’s manufacture base of pipelines and joints. The company is close to Beijing and Tianjin to the north and Huanghua Port to the east with convenient transportation and advantageous location.ous location.