I-American Society for Testing and Materials, i-ASTM. Ngaphambilini eyayaziwa ngokuthi yi-International Association for Testing Materials (IATM). I-American Society for Materials and Testing (I-ASTM) okwamanje ingenye yezinhlangano ezinkulu zokuthuthukisa amazinga emhlabeni futhi iyinhlangano ezimele engenzi nzuzo. I-ASTM inamalungu acishe abe ngu-34,000, angaba ngu-4,000 kuwo avela emazweni angamakhulu angaphandle kwe-United States. I-ASTM ithuthukise amazinga angaphezu kwe-10,000.

Siyakuhalalisela ngokufudumeleI-Donghuang Idatha ye-HDZekutholeni iIsitifiketi se-ASTM

I-Astm, amandla omoya we-donghuang, onguchwepheshe ekukhiqizeni nasekuthengisweni kwemininingwane ehlukahlukeneama-flange, ama-forgings, Ukucaciswa kuqedile, kungenziwa ngokwezifiso ngokuvumelana nezidingo zekhasimende, ukwamukela ukubonisana kwamakhasimende amasha namadala, ikhwalithi yesithunzi ...

ifomu: ShanxiI-Donghuang Wind Power FlangeI-Manufacturing Co., Ltd