Hard alloy nozzle (for petroleum artesian well), hard alloy spray nozzle(for airplane), tungsten alloy watch pendulum(watch), tungsten alloy bomb core(ordnance), tungsten alloy fish pendant, stainless steel watchcase(watch), stainless steel gear, stainless steel accessory, Iron-base alloy balance weight, Iron-base alloy feeding wheel, Iron-base alloy detent, chain wheel, planet wheel(autobike),hard alloy nozzle core(chemical fibre spinning equipment), counter weight in vibration motor for mobile phone and pager.