Ezhou Tonglei Superhard Material Co., Ltd is located in Yanji Town. Known as "the No.1 Diamond Cutting Tool Town of China", Yanji Town is the birthplace of Chinese diamond cutting tool. Our company is a comprehensive company specialized in researching and producing single-crystal synthetic diamond and diamond cutting tools. As long years research and development in materials and formula, quality and stability of our cutting tool product earn top rank in the industry. With great controlled quality, sharpness, stability and high cost-performance, our product has exported worldwide, such as Russia, United States, Mexico,South Europe,Colombia, South Korea, Indonesia,Parkista,India Etc.Covering an area of 16,000 square meters, Tonglei employs more than 100 employees, including 20 senior technicians. There are 20 sets of full-automated synthetic diamond hydraulic press and 60 sets of hot press and cold press for diamond segment.