tungsten heating filament,diffusion pump oil,SiO,ZnS,vacuum gauge tube, vacuum metalizing materials...

Started off first with a mission to excel in the Diffusion Pump Oil industry we have a great deal of experience in the delivering the finest quality tungsten heating filament,diffusion pump oil,SiO,Zn...

For accommodation to the development, the company keeps expanding the new markets for petrochemical products, and carves out the markets in 60 countries for the following products, namely paraffin (bl...