Zhejiang Tugong Instrument Co., Ltd. is professional manufacturer of computerized,Website:http://www.china-geotest.com, digitized and intelligent testing equipment. Our company has great-leap-forward development in the past thirty years since established in 1981. Company cover an area of 26,680 square meters, have 14 modernized standard workshops, be equipped with complete vehicle, gear, milling, grinding, and boring machine. We have high independent research and development ability. Economic and Trade Commission, Science and Technology Committee set their research center in our company. We participate and enact national standard and provincial standard many times, three main project, Qingdao transbay bridge. All proprietors, management office, builder in the project, Zhejiang provincial Traffic engineering Quality and Technical Supervision Administration & eight subordinate Communications quality monitoring station use our testing equipment.