Welcome to Changsha Hengfeng Superhard Material Co.,Ltd , we are specialized in producing and developing diamond powder,diamond crushing material,synthetic diamond for jewelry. and have strong professional team and advanced testing methods, with all products in strict accordance with national standards. It passed the quality certification ISO9001. It has import and export rights. The products were exported to the U.S., Britain, Germany, Japan, India, Taiwan, Hongkong and other countries and regions.
Almost all sizes of diamond can be available from us. And we will provide you the best quality, competitive price and stable delivery.