???????????????????ˉ????????ˉ?????????????????
???????????????С??????????\??????????????κ???????????????
??????????GB/T8162-2008
????????????GB/T8163-2008
???????ˉ???GB3087-2008
?????ˉ???GB5310-2008
?????????25-95*2-28mm
??????????102-377*4-70mm
???????????????????402-630*10-100
?????????????????????????????????????????????????????????????????????????????????????????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 ?????13967282625??18921237777
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