patent

Shanghai Xiawei always adheres to the vision blueprint of building a first-class comprehensive international underwater wellhead company in China, continues to promote technological innovation and product research and development, develops a technological innovation system with independent intellectual property rights, constructs a domestic underwater wellhead Research Center, owns a large number of research and development patents for underwater wellhead equipment, tools, sealing assembly, etc., and has successively obtained 39 domestic patents Among them, there are 9 inventions, 24 utility models and 6 copyrights.