We are please to introduction ourselves to you. Our company is GERCNESE ARCHITECTURAL HARDWARE CO., LTD.It is a professionl in manufacture architectural hardwaare for windows and doors factory. Our meanly products are friction hinges (stays) with material in Stainless Steel 304, 202 or 201, Handles, Multi-point locks. Tilt & Turn lock system, Espagnolette Rods, Screws and Rivets all of them for windows and doors corporation. Our products sold many contries for twenty years. We were sold our products in the market of Europe, South Africa, South and North of American. We offer our products to our clients with best prices and best quality. We are pleased to know you by EC21. com and now we are glad to develop business relationship with you.Wish to have your inquiry for more details. Thank you very much.Best regards,Lee Hsickming.