We manufacture various pdc bit for different drilling application. PDC drag bit is for soft to medium formation. The size is 75mm, 85mm, 94mm, 113mm, 133mm, 153mm, 171mm, 219mm, 245mm, 273mm, 300mm etc. All design could be made according to your requirements and it can satisfy different customers specific needs. We insist on honesty to provide customers high performance products with competitive price.