Da Rong is specialized in design , manufacture marketing of machinery tool accessories. Production includes milling chuck series, CNC tool series. collet series, boring heads series, etc. There are more than 20 series with almost 1000 types. Salesment covers the USA, Germany, Britain and regions in South Asia with increasing trust from customers.We are capable of supplying accessories with German standards, Japanese standards, American standards as well as national standards.Welcome to contact us for further development business relationship.