My company is the steel industry, hardware variety, complete specifications of the professional manufacturer, we have a world-class standards of manufacturing steel doors and windows hardware products and many patents in China, we offer PVC plastic-steel sliding window, casement window outside, flat inside window, upper, middle and bottom hung windows, sliding six, Swing and other high-grade hardware. We are committed to promote hardware manufacturing steel doors and windows for office, continue to provide customers with the dominant trend of new products, the State Light Industry Bureau Building Hardware Quality Supervision and Inspection Center and the company's product testing center for the product quality to provide double assurance, group management for the provide the correct deliv.. (more>>)