he company's oil-based diamond composite sheet introduced US technology, using a higher level of diamond powder and cemented carbide substrate, using new high-efficiency catalysts and new processes
Phone：+86 0371-85099820/85099826 E-mail：sales@yalonggroup.com E-mail：sales@yalonggroup.com E-mail：sales01@yalonggroup.com Address：Kexue Dadao and Y014,New Material Industrial Park,Zhengzhou,Henan,China
