12F,JINGANG HOTEL,51 YANGSHAN RD,NINGBO,CHINA

We mainly produces oxygen series,acetylene series.liquid petroleum gas series as well as hydrogen.argon.carbon dioxide.liquid-chlorine etc.more than ten varieties 40 specifications over gas cylinder v...

No.422 Zhuangshi Avenue,Zhuangshi Industry Zone Zhenhai

As specialized in manufacturing Spiral Submerged Arc-Welding Pipe, We have 15 years of metal pipe manufacturing experience. Our production line is from 219-3020mm out diameter, 6-30mm wall thickness. ...