Guizhou Sinodrills Equipment Co. Ltd is based in China and lists drilling machines and tools on Global Trade Plaza. The company offers threaded button bits in thread sizes ranging from R25 to SGT60 and head diameters from 33 mm to 152 mm. Face designs include flat face, drop center and uni-face configurations. The bits are produced using alloy steels imported from the USA and carbides made in China, assembled by hot press technology. They are intended for drilling works in tunneling, construction, mining and quarrying applications. Buyers can send an enquiry through Global Trade Plaza.