Headquartered in Incheon, South Korea, YG-1 Co., Ltd. is a company established... Headquartered in Incheon, South Korea, YG-1 Co., Ltd. is a company established in 1981 that specializes in the production and global distribution of cutting implements. Their extensive product catalog features tools for milling, hole creation, threading, and turning, in addition to complete tooling systems. The firm maintains a significant international presence, exporting its manufactured goods to approximately 75 countries worldwide.