American Society for Testing and Materials, ASTM. Ua ʻike mua ʻia ʻo ka International Association for Testing Materials (IATM). ʻO ka American Society for Materials and Testing (ASTM) i kēia manawa kekahi o nā hui hoʻomohala kūlana nui loa ma ka honua a he hui kūʻokoʻa ʻole ia. Loaʻa iā ASTM he 34,000 mau lālā, ma kahi o 4,000 o lākou mai nā haneli mau ʻāina ma waho o ʻAmelika Hui Pū ʻIa. Ua hoʻomohala ʻo ASTM ma mua o 10,000 mau kūlana.

Aloha pumehana i kaʻo Donghuang ʻO DHDZ hoʻopilima ka loaa ana o kaPalapala ASTM

ʻO Asm, Donghuang makani mana, specializing i ka hana a me ke kuai ana o na ano kiko'ī onā lehelehe, nā kalaiwa, nā kikoʻī piha, hiki ke hoʻopili ʻia e like me nā koi o ka mea kūʻai aku, hoʻokipa i nā kūkākūkā mea kūʻai hou a kahiko, maikaʻi maikaʻi ...

ano: ShanxiʻO Donghuang Wind Power FlangeManufacturing Co., Ltd