Sichuan Chuanshi Diamond Bit Co., Ltd. (brand name: CSB) was founded in 1998, and it’s located in west part of Chengdu city. CSB covers a land area of 4622 square meters with 66 faculty employed. At CSB facility, advanced technology and equipments support us to design, manufacture and inspect  our products.


CSB is one of the domestic largest diamond bit manufacturers in China which specialized in PDC Bit for 19 years. With the customers all around the world, including China, Mid-East, Central Asia and Africa etc. Rich experiences and professionals team are supported us to consistently produce quality products to our customers, And hope to find way to cooperate with you by our quality products and competitive price.