Main products of DH
We provide various butt weld pipe fittings, pipe flanges and steel pipes, including 45 deg pipe elbow, 90 deg pipe elbow, 180 deg pipe elbow, straight tee, reducing tee, concentric reducer, eccentric reducer, pipe cap, weld neck flange, plate flange, blind flange, socket weld flange, slip on flange, threaded flange, groove steel flange, cold-drawn seamless steel pipe, hot-rolled seamless steel pipe, ERW steel pipe, LSAW steel pipe, galvanized steel pipe and alloy steel pipe.
Features and applications
DH mainly produces pipe accessories and steel pipes that are frequently used in pipeline transportation for various liquids and gases such as petro, water, steam, natural gas and others. Now our product has been widely applied in multiple high-tech projects like petro supply, gas supply, electricity supply, chemical industry, shipbuilding, boiler, pressure vessel and offshore drilling platform.
DH introduces advanced quality management system from Korea and also employs sophisticated production equipment and inspection equipment. Additionally, our internal product specifications all exceed international standards. With these outstanding features, DH provides customers with top-quality product in China.
Quality control of product quality and raw materials
The entire raw materials are purchased from reputable seamless steel pipe manufacturers including Tianjin Pipe Corporation (TPCO) and Yantai Steel Pipe Corporation to ensure satisfying material quality. Plus, every procedure is specially assigned to employees. So whenever a quality problem occurs, we can trace to the source quickly and accurately. In this way, such problems will be completely eliminated.