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CONTACT INFO
Add：Dalian Lushun three Jian Bao zhen
Tel：0411一86269908
P.C：0411一116043
E-mail：Ericgou@dlshuanghe.com
QUICK LINKS
GB50 High-frequency welded pipe line
GB165 High-frequency welded pipe line
Flat steel production line
Condenser with welded Steel pipe
Square structural tubes
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Pipe
Rectangular structural tube
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