https://www.ynjsw.com/file/upload/2011/100/9953-17735-59231.jpg

钢丝网骨架聚乙烯复合管

https://www.ynjsw.com/file/upload/2011/100/9953-17735-59232.jpg

PPR给水管

https://www.ynjsw.com/file/upload/2011/100/9953-17735-59233.jpg

PE管

https://www.ynjsw.com/file/upload/2011/100/9953-17735-59234.jpg

不锈钢法兰盘

https://www.ynjsw.com/file/upload/2011/100/9953-17735-59235.jpg

PE矿用管

https://www.ynjsw.com/file/upload/2011/100/9953-17735-59236.jpg

PVC-C电力管

https://www.ynjsw.com/file/upload/2011/100/9953-17735-59237.jpg

6FRPP管

1

7