With the widest range of polished diamond, We supplied to nearly 30 countries around the world.

Being one of the leading diamond polished manufacturers with technologically sophisticated and advanced manufacturing facilities, BTC is committed to offer our customers comprehensive subcontracting solutions, which combine optimal yield rates with aesthetic appeals.

As the pioneer that set up the diamond polishing factory in China, we have accumulated more than twenty years of management experience and local knowledge in China. Our experts, in both operation and line management, has allowed us to provide factory management service to those partners that want to set up their operations in China.