BEIJING HONGSUN METAL MATERIALS CO., LTD. was established in 1999 and located in Venture park, Taihu, Tongzhou district, Beijing.It experienced some stages of development and enlarging. In 1999, HONGSUN first vacuum titanium factory founded.In 2001, HONGSUN second color steel factory founded. In 2003, HONGSUN complete all set of metal finish production lines. In 2005, HONGSUN known as one of the best elevator doors and cabins supplier in China. In 2008, HONGSUN automatical antique bronze