• Hi Grade (H.K.) Ltd.

    49-51 Au Pui Wan St. , 5 / Fl. , Blk 2, Fotan, Hong Kong

    Hi Grade (H. K.) Ltd. Is one of the top soldering flux manufacturers in world. Hong Kong carries out its role as R& D, research and develop new kind fluxes for electronic assemblies printed circuit board manufacturing. The sales products are through our agents. ...