This kind of handle usrd for Aluminum alloy windows and doors .
Guoqiang Hardware Group was established in June, 1987. After over twenty years development, now it has become a world-known large-scale enterprise group. The product has developed from the single wooden furniture to ten major series ( more than 3000 kinds) in hardware. The products are exported to countries and regions in Asia, America, Europe and Southeast Asia. We are the biggest hardware manufacturing base in China.