Iwe alaafia ni agbaye ti o ṣe pataki, ISO, ANSI/ASME, DIN, JIS ati awo ibara nikan, si aye yoo se ni awon iwe alaafia ti o ṣe pataki tabi o ṣe idajọ ẹla ti o ṣe pataki ni iwe alaafia ti o ṣe pataki, pẹlu alaafia galena, alaafia zinc-plated, alaafia nickel-plated, alaafia dacromet-plated, alaafia engineering plastic inner link combination ati alaafia stainless steel short pitch; Gbogbo awọn alaye ni iwe alaafia ni agbaye ti o ṣe pataki jẹ kankan ti o ṣe pataki ati ti o ṣe ni alaafia engineering plastics, stainless steel ati awo ibara nikan, ti o ni alaafia riri lori eto ati ti o ṣe ni agbaye ti o ṣe pataki; Awọn arakunṣe yoo ni gbogbo agbaye ti o ṣe pataki ni agbaye alaafia, packaging machinery, logistics and transportation, pharmaceutical industry ati awo ibara nikan, ti o ṣe ilana ni gbogbo agbaye ati awọn ile-ebi.