Shenzhen City Tianmao industry company establishes in 1994.It is a professional company that is engaed in glass act wall,the aluminum metal alloy doors and windows,the plastics & steel door window building Hardware accessories research and manufacturing. The main brand is“JIANWEI”,”GUANYGYI” two greatest serieses products,gallopping about the domestic and international market for many years,deep get the trust of the large customers and approve.