Energy-Saving 2yearswarranty&25 years life span Green and Environmental Convenient to Carry With CE &TUV Certifications Quick Details We are one of the leading manufacturers of manhole covers, dismantling joints, fasteners, pumps, motor shells and other castings and forgings. Our products are made according to different standards, such as ISO2531, EN545, EN14525, ISO4422, ISO7005, DIN3352, BS5163 ...