good price of brown rough diamond

Wuxi Yuanwen Graphene Technology Co., Ltd.  was established in June 2017, and was admitted to wuxi graphene industrial development demonstration park in the same month. The company's core team set up laboratory research in 2013.Graphene and carbon nanotubes, carbon nanomaterials, is a professional engaged in graphene, carbon nanotubes, and a diamond material such as research, development, production and market application of high and new technology enterprise, at the same time a number of professional awards, filing patents!

Wuxi Yuanwen Graphene Technology Co., Ltd. is a company specializing in carbon materials R&D and production,with lots of doctors, masters and other professional and technical personnel.
Our company mainly engages in three business:
First: R&D and sales of graphene powder, lithium battery conductive additives and other nanomaterials;
Second, R&D marketing of carbon nanotube film;
Third, R&D, manufacturing and sales of synthetic diamond.
Our company always adheres to "focusing on R&D, hard service " as its core values. And we hope to promote the development of science and technology through our professional level.