YangMing Hardware Machinery Manufacturing Co.,ltd (YMH) started back in 1996 as an independent factory located in Cixi, Zhejiang, China. Over the last eleven years, we have grown to be a major professional producer in hardware industry, including window operators, sliding patio door rollers, door closers as well as a wide range of pulleys and winches for poultry and livestock farms. YMH has a 10,000-square-meter factory with more than 200 employees....