... polishing of optical objects, magnet heads, HDD, gems and electroplated art TypesDiamond micron powder,synthetic diamond ... fieldConventional lapping, grinding and polishing of opticalobjects,magnet heads, gems and electroplated articles. MarketGermany, Italy, India, Egypt, ... profileEstablished in 1990,Zhecheng Hongxiang Superhard Material Co., Ltd is the first producer who reserached synthetic diamond ...