Uluntu lwaseMelika luvavanyo kunye nezixhobo, i-ASTM. Okwangoku yaziwa njengoMbutho weHlabathi weZinto zoBuchule (iatm). Umbutho waseMelika weZinto kunye novavanyo (I-astm) Okwangoku yenye yezona zinto ziphambili zophuhliso lwehlabathi kwaye ngumbutho ozimeleyo ongenzi nzuzo. I-ASTM inamalungu amalunga nama-34,000, malunga ne-4,000 yabo evela kumakhulu angamazwe angaphandle eUnited States. I-ASTM iphuhlise ngaphezulu kwemigangatho engama-10,000.

Ukuvuyela ukuvuyela kwiDonghuang Uxolelo lweDhdzekufumaneni iIsatifikethi se-ASTM

I-astm, i-Donghuang amandla omoya, i-Pouriting kwimveliso kunye nentengiso yeenkcazo ezahlukeneyo zeflaxes, ukuxolela.

IFomu: ShanxiDonghuang moyaImveliso COOCD