Galvanized las bolong dijieunna tina kualitas luhur low kawat baja karbon las baris, lajeng plating tiis (electroplating), plating panas, PVC palapis palastik permukaan passivation, perlakuan plasticizing, tingkat permukaan net off, seragam bolong, solder joint teguh, kinerja machining lokal. sae kang,...
Maca deui