In 1992, Donglong was founded in Zhongshan City, Guangdong Province. In October 1998, Donglong Hardware Mold Machinery Co., Ltd. was established in Dalang Town, Dongguan City. The company has dedicated to the development and manufacturing of screw mold, striving for building national industrial brand. In 2003, Jiangsu Donglong Mold Machinery Co., Ltd. was established. Our company adopts imported materials, Taiwan precision processing equipment and advan...