Search |
![]() On September 10, 1995, ZZDM mother company HengRui Diamond Co., Ltd. established in Xinzheng, focuses on the accessories of industrial diamonds synthesis. ZZDM Superabrasives Co., Ltd., established in Zhengzhou High & New Tech. Industrial Zone since 2009, is a high-tech company engaged in R&D, production and sales of superabrasives (Diamond & CBN) and superhard composite materials (PCD & PCBN). Our new production facilities locates in Zhengzhou Airport Industrial Zone, with an initial investment of 6.5 million US Do... [Details] |