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Q420q??????????????????
1. ????????Z15-Z35???????????????????????????塣 2.?????????8mm-400mm??????1500mm-3900mm????3000mm-18000mm???????Э?飬???????????塣 3.?????????????????????????????????????????????????????  ???????????????

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    ??????????????????????????Q345C??Q345D??Q345E??SM400??SM490??S355J2+N??????????
???Q345D???????????????????????????Q345qC/qD/qE??Q370qE??Q370qD???????B-HARD360/400,450,???
NM360/400/500/450,???HARDOX400/450/500,???XAR400/450/500??????????AH32/36??DH32/36??EH32/36??
????????CCS??LR??DNV??BV??GL??RA??ABS??RA?????????????Q460C/D/E??Q390C/D??Q420C/D??Q550C/D
??Q690C/D??Q620D,WH60/70/80????Z15??Z25??Z35??????????壨?????BHT80D??
BHT100D,BS600MC,BS700MC,BHT130D,BHT150D??????Z???????Z15??Z25??Z35???????????????????????
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