We are a steel structure compony in china.Welcome to vistit our company in hangzhou whenever you are convinient. Hangzhou Hengda Steel Structure Industrial Co. Ltd is a state-certified Class A professional contractor and Class B professional designer of steel structures. It has also obtained certifications of ISO9001:2000, ISO14001:2004 and OHSAS18000. Many of its steel structure projects have been awarded the highest state xxxxx Golden Trophy of Steel Structures. It is a member company of China Metal Structure Association. China Steel Structure Association, China Construction Metal Structure Association and Shanghai Metal Structure Industry Association as well as a standing member company of Steel Structure Branch of Zhejiang Construction Industrial Association. it was among the Top 10 list in terms of general capability in chinese steel structure industry.