American Society for Testing and Materials, ASTM. Wanda aka fi sani da Ƙungiyar Gwaji ta Duniya (IATM). Ƙungiyar Amirka don Kayayyaki da Gwaji (ASTM) a halin yanzu yana ɗaya daga cikin manyan ƙungiyoyin haɓaka ma'auni a duniya kuma ƙungiya ce mai zaman kanta mai zaman kanta. ASTM tana da kusan membobi 34,000, kusan 4,000 daga cikinsu daga ɗaruruwan ƙasashe a wajen Amurka. ASTM ta haɓaka sama da ma'auni 10,000.

Ina taya murna gaDonghuang DHZakan karbarASTM Certificate

Asm, Donghuang iska ikon, ƙware a cikin samar da tallace-tallace na daban-daban bayani dalla-dalla naflanges, ƙirƙira, cikakkun bayanai dalla-dalla, ana iya daidaita su bisa ga buƙatun abokin ciniki, maraba da sabbin shawarwari da tsoffin abokan ciniki, ingancin suna ...

form: ShanxiDonghuang Ikon FlangeManufacturing Co., Ltd