the sixth set of flow standard calibration device ship to abroad DN15-DN50

2016-09-19

The sixth set of flow standard calibration device

All of Qingtian group cooperation staff withness great moment ,our brand new  flow standard calibration device ship to abroad today !

it is our sixth set of  flow standard calibration device ship to our foreign customers , the excellent quality and perfect after-sales  win cusoemts good comment

Here warmly welcome all over the world cusotomers visit  and guide us



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