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2018年315证书


Sanqing card type pipe fitting process characteristics: simple operation, fast, low installation cost. The construction quality of the clamping connection is reliable. The clamping type stainless steel water pipe has a long service life. The construction site of clamping connection shall be clean, civilized and safe. The labor intensity of the workers operating the clamp type pipe connection is small.


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2018年315证书

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Honor received


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