Halnn Superhard, as the pioneer of superhard cutting tools in China, has more than 15 experience in the cutting tools, make national Superhard Materials Key Laboratory and Henan University of Science ...

East Side of No.3 Road,Industry Zone,Wenling City(Inside of Dapu Electric Appliance CO.,LTD)

Taizhou Shi Wanlongda Tools Manufacturing CO.,LTD. is a large enterprise which intergrates design,make and market for U drill,fast drill,straight shank twist drill,cobalt-bearing straight shank,taper ...