Set up in 1997, Hangzhou Hengda Steel Structure Industrial Co., Ltd. (hereinafter refers to as HDSS) is a comprehensive enterprise engaged in design & engineering, manufacturing, construction and installation. We specialize in manufacturing steel structure projects and high-rise buildings. We have obtained the qualification of National Professional Contract Grade A, National Steel Structure Manufacturer Enterprise Special Grade, National Construction Steel Structure Professional Design Grade B, and Foreign Oversea Project Operation Qualification. Meanwhile, HDSS has taken the lead to pass...