Sam Chang Machinery Co., Ltd. is wholly owned by Hong Kong Sam Chang Machinery Industrial. The company was founded in 1985, specializing in high-speed screw machine design and manufacturing (5mm below the heading machine, thread rolling machine and screw end cutting machine). Since its inception in 1985, Sam Chang keeps on growing and gains by the recognition and trust of customers more than two decades, it has become one of the leading screw machine industry companies. Its located in Guan Qiao, Nan An, Fujian and is a garden plant factory with around 20,000 square meters in area. In addition to offices, workshops, staff quarters, there are pools, basketball courts, swimming pools and other recreational facilities.