1. Kev xaiv ntawm aluminium alloy stamping yuav tsum ua raws li qhov yuav tsum tau ua ntawm cov khoom siv stamping los txiav txim siab lawv cov khoom qib.Feem ntau, cov khoom siv aluminium alloy qib siv rau stamping yog 1050, 1060, 3003, 5052, 6061, 6063, thiab lwm yam 2. Thaum xaiv aluminium alloy sta ...
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