metal tubes, metal branching pipes, metal joints, metal elbows for pipes, metal cam lock couplings and metal adapters for pipes, metal self-locking pipe couplings, metal pipe bends, metal socket pipes, metal pipe connection couplings, metal water pipe couplings, stainless steel clamps, stainless steel valves, stainless steel ferrules, metal locks, padlocks, metal door locks, stainless steel padlocks, metal door locks for vehicles, metal key rings, metal keys, nails, metal screw nuts, metal screws, metal bolts

electric locks, electronic locks, anti-burglary electric locks, magnetic identification card locks

gear shift locks for vehicles, non-metal locks for vehicles

non-metal locks