Established in 2005, HAOHUI PRECISION MACHINERY CO.,LTD. Located in Dongguan,China.It is a professional high speed press machine manufacturer and focus on research, production, and sales.HAOHUI Machinery has experienced engineers, production technology and large-scale automated equipment , perfect testing and quality control system. With the high quality service in button , zipper, rivet,EI, motor rotor commutator, crystals, batteries, watches and clocks, the company received widely praise by the consumers.