China manufacture high quality hard wearing tungsten carbide PDC drill bit nozzle
since its establishment in Chengdu, Sichuan, China in 1992, we've been trying to provide good quality and affordable
cemented carbide inserts, bit nozzles, wear-resisting parts, tungsten rods and plates for our customers.
We have a group of excellent poeple working on the design, production, inspection, and after-sales service of our products,
which wins us our domestic and overseas customers' trust. For more information, please visit our website