Tenking Metal Product Co. Ltd was founded in ***** over 5years witnessed its durative and rapid development. We are a manufacturer specialized in window and door friction hinge and handle of different specifications which sells well to domestic and worldwide markets , including Europe, South and North America, Southeast Asia and Middle East. Our window Friction Stay Hinge are of specifications from 8 inches to 40 inches, including two-bar-hinge, four-bar-hinge, five-bar-hinge and telescopic arm. The enterprise passed by ISO9001 and offer competitive prices and always focus on technique innovation and quality assurance.