Introducing the SINOCOREDRILL High-Grade Synthetic Diamond Core Bit, designed for ultimate formation stability. With models BQ, NQ, HQ, and PQ, it offers high efficiency and long life, making it ideal for mining and exploration. The diamond material ensures superior performance, while male/female connections enhance versatility. Customize your logo for a professional touch. Available in sleek black and golden colors—efficient drilling starts here! Welcome to visit our website!