Duoleng has been a leader in the abrasives market, an ISO9001:2008 certified and SAE standard. Bearing alloy angular steel grit is recognized as high-tech product by Torch High-Techm development center of Science and Technology department.This steel grit is widely used in granite cutting, shipbuilding, aeronautic industry, casting and forging, anticorrosion coating, surface treatment, container industry...
The only producer of bearing alloy steel grit in china.It occupy more than 90% domestic market and are exported to over 50 countries.