?????????ˉ??-??????ˉ??-????20G?????ˉ??-GB5310??ˉ?????
?????????ˉ??:
??ˉ??-?????ˉ??-?????????ˉ??-20G??ˉ??-20G?????ˉ??-??????ˉ??-????20G?????ˉ??-????20G??ˉ??-GB5310??ˉ??-GB5310?????ˉ?????????0510-88268136
??????????????????????????????ˉ??-20G?????ˉ??-GB5310?????ˉ??,?????ˉ??????????0510-88268136

?????????????????????????????????????????????????????????????????????????????????????????С???????????????????????????????????????????????????????????,??????????????20#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??12Cr1MOV??10CrMO910??304??304L??316??316L??321??P11??P22??P91??T91.??й???GB8162-99?????GB8163-99????????????ù?????????GB3087-99??GB5310-85????????ˉ?ù??GB5312-8???ù??...
???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777
|