Longhai Duoling is the largest manufacturer of grooved saw blade and steel grit for granite cutting in China. The company was established in 1980s. It covers an area of about 100000SqM. The company has won the reputation of High and New Technology Enterprise of Fujian Province and passed the identification of international ISO9001 quality management system.The company equipped with advanced production facilities, modern inspection technology. The quality of products you purchased is fully guaranteed. The multi-edge steel grit made in our company with unique technology is stable and wearable. The steel grit is sharper than other arc steel grits made in foreign countries. The sawing is faster and slab is flatter and smooth. So far, our products take over 95% of domestic market and export to over 35 countries and place such as Taiwan, India, Spain, Italy, Brazil, Argentina, etc. Duoling products are widely welcomed in granite cutting market and metal surface treatment.