Changsha Hengfeng Superhard Material Co.,Ltd was established in 2008, factory has been working on this line from 1997. We are a professional company engaged in producing diamond monocrystalline, RVD and micron powder. Based on \"integrity, truth-seeking, pragmatic, innovative\" business philosophy, the implementation of branding, diversity development strategies, the development of personalized products to meet customer\'s individual needs and to create value for customers. technology. They annual capacity for monocrystalline, RVD and micro-powder about 600 million carats. Products have covered all over the world and won recognition and trust from the customers. We sincerely look forward to establishing long-term cooperation with you to achieve a win-win situation!