Chitoliro chachitsulo chosapanga dzimbiri

pro_banner
pro_banner
Ntchito yamalonda:
Zogulitsa zimagwiritsidwa ntchito kwambiri mu mankhwala, mafuta, kupanga mapepala, mphamvu, uinjiniya wa zimbudzi ndi mafakitale ena.
Kutsatira kwanthawi zonse:

ASTM A312 A778 A789 A358 A790 A268 A269 A289 A409 A731 A791 A814 A928

GB/T 12771 GB/T 21832

EN 10217-7

JIS G3459 JIS G3468 JIS G3448

HG20537.1-4

EN 10357