... Wind Supporter, two-bar friction stay, frictin hinge, window hinge, door hinge, PWS hinge, window hinge, door hinge, aluminum alloy hinge, zinc alloy hinge for UPVC/Aluminum windows and ... house. We also produce window handles, door handles, window hinge, door hinge, friction stay, wind supporter, espagnolette bolt, door bolt, PU Foam, glass ...