. The company is a joint venture of China Shipbuilding Industry Group, is the province of '333' Project of Dongtai High-tech Pioneering Park East key enterprises of China's three national marine shafting device technology research The company adopted the ISO9001 quality system certification, the U.S. ABS, France BV, Germany GL, ZY China and the Chinese CCS product type approval, and through the Norwegian DNV, Italy, RINA, UK LR, the Russian RS, India and other IRS the world's leading classification societies product. At present, the company is capable of producing from the 70-1250 series nearly six months of the stern shaft seal specifications and installation specifications for the middle of dozens of bearings, steering friction for plane, complete sets of products, such as rudder l