ZZBETTER (Zhuzhou Better Tungsten Carbide Co., Ltd) has manufactured super-hard materials since 2012. Headquartered in Zhuzhou, Hunan — China's tungsten carbide production hub — we specialize in PDC cutters, PDC drill bits, DTH bits, and carbide products for oil & gas, mining, and water well drilling. Our PDC cutters and bits are exported to North America, the Middle East, Russia, Southeast Asia, and South America, and have been field-proven in demanding formations from soft shale to hard abrasive rock.