Kumha has manufactured only cutting tools since 1984. The founder and former president, Mr. Ji-Young Ryu, was the well known engineer in carbide industry Korea for his uppermost technology.Korean government supported him to establish high technological ...

Kumha is the manufacturer of various cutting tools including from carbide to diamond(PCD/PCBN) for metalworking, woodworking and PCB. The main items are circular saw blades, PCD special tools. With up-to-date machines unique technology made us most ...

Since the founding of our company in 2001 and beginning production following years, unceasing efforts to differentiate from others has been cornerstone being leading tungsten carbide saw blades knives Korea.Especially, based on accumulated technology ...