our product Metal powder products Tungsten carbide wear-resistant electrode flux core welding wire Diamond head Diamond grinding disc A marble hole opener Diamond cutting blade saw blade ball-tooth bit Alloy tool bit High-pressure water jet nozzles RECOMMENDED INFORMATION The functions of tungsten trioxide are as follows:Petrochemical field. Tungsten trioxide can be used as a catalyst The advantages of resin tungsten powder mainly include:High density 8 Years Experience 5 Star Rating Quick Turnaround Dedicated Support