rotational power transmission,
Koryo Precision Industries was founded in 1976 for cold forging and warm forging.
Our company applies various super-hard films to various tools, semiconductor molds, and cold forging punches to improve productivity, reduce costs, and extend tool life. is upgrading.
We, Sejin Tube Tech Co., Ltd. was established in 2005. We manufacture Stainless Steel Tubes for Boilers, Superheaters, Heat Exchangers. We've been exporting to 24 countries.