Changsha Hengfeng Superhard Materials Co., Ltd. https://www.hfdiamondpowder.com info@hf-abrasives.com 86 136 8736 1666 Monocrylline, Micron Powder, Coated Diamond Hengfeng is an industrial group integrated with R&D, manufacturing and selling of industrial synthetic diamond powder to all over the world. Hengfeng has experience in this industry since 2000. We persist in the concept of 'keep our words for hundreds years'. Hengfeng has complete production equipment for our general production with advanced technology. Ti, TTi, magnetic susceptibility, particle size distribution are tested in our quality management system to ensure the stability of products supplying.Superior after sales service and in time response for all of your requirements. No. 485 Tongzipo Road, Changsha, 410013, China.