Kim Union Industrial Co., Ltd. the professional manufacturer of Thread Rolling Machine, hydraulic thread rolling machine, cam thread rolling machine, Gear serrationing rolling machine, thread rolling die, serration / knurling rolling die. Kim Union was founded in 1972, our main goal is to provide the better quality products to our customers. For more then 30 years working experience by manufacturing, the thread rolling machine and thread rolling die are into batch production, and has won unanimous adoption and honors from the customer for both local market and abroad.