Previous name: Suzhou Teng Long Super Hard Tool Factory, was founded in 1983, and specialized in “Teng Long” series products:

　 --Equipments for special type stone

　 --Equipments for super hard materiel products

　 --Diamond bits

　 ISO9001 Quality System certificated, and has been awarded "Well-known & Qualified Production","famous Brand",etc. We have 85 sales and service offices all around China, and also have international representative offices in Australia, Canada and the U.S. Our three main series products take the lead in Chinese market. Parts of our products are exported.

Our special type stone equipments, diamond wheels and diamond blades have been approved by European countries and America, and are beginning to be exported. Diamond blades are made of super hard materiel produced by our company.