??????????????????

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???????13396220692??17862525099??17862512888??18963580692

?????2418524989@qq.com

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??????????????и??????????????66??

??????λ??? ?? ? >> ??????

????????23mm??Q420q????????????

?????????2017/12/1

???????????????????????

?????1543

????????23mm??Q420q????????????

Q420q?????????????????? 50*2200*8000+ 32?? 60*2200*7000+ 75?? 50*4030*555+ 98?? 70*2200*9500+ 32?? 80*2200*8000+ 56?? Q420q?????????????????? ????????????????????í??????????A3q?????????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq??????????????4.5~50????????????????????????·??·???????塣???

Q420q??????????????????
50*2200*8000+ 32??
60*2200*7000+ 75??
50*4030*555+ 98??
70*2200*9500+ 32??
80*2200*8000+ 56??

Q420q??????????????????

????????????????????í??????????A3q?????????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq??????????????4.5~50????????????????????????·??·???????塣????н??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????·????·????????46-160mm?????????