Since the year 2009, Gravel Industries Co. Ltd (Gravel Enterprise HK Co. Ltd) has been investing and developing the technology of vacuum sputtering thin film coating and evaporation coating for chips of semi-conductor and mirco-electronics, etc. Under technical supports from reserch institutes and doctors/professors of overseas returnees, Gravel owns the target manufacture and thin film coating technology professional engineering team and excellent sales groups after many years practice. Whole team people are persistently pursing the company mission to provide our customers with high quality products and excellent service.

We build and provide customized high purity and high quality sputtering targets and evaporation pellets in precious metal, alloy and ceramic materials. The targets size could be different thickness in round, oval and rectangle, etc., it could be both bare target and target backing plate bonded.