PRODUCT CATEGORY MATERIALS CONCTRUCTION ENGINEERING Building materials such as : Doors, tiles, construction materials, WELDING & FABRICATION Flat metals , fittings, castings, aluminium, copper etc PLUMBING ENGINEEERING Pressure -balanced valve, P VC, floor drain, plumbing fixture, prestressed concrete cylinder pipe,push-pull compressor fittings, bathtub ,boiler, sink, basin wrench etc ELECTRICAL ENGINEERING AC power plugs and sockects, circuit breaker electrical connector, switches and electrical wiring etc