Tianjin Pipe-union Co.Ltd.

seamless pipe(1)

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cylinder pipe
Specification: diameter 20-80mm
Detail: well qualified pipe for gas cylinder.

steel pipie mould
Specification: DN80-2000mm, longth free choose
Detail: Good qulity for cast iron factory. Material:30CrMo, 21CrMo10 Long life ***n ,DN100 can be above 6000 times. DN450 can be above 2000 times.


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