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Zhangqiu Xinhao Machinery Parts Factory
Home > News > The flange products manufactured by our company were certified by ISO quality management system in 2016.
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The flange products manufactured by our company were certified by ISO quality management system in 2016.

2019-07-31
After years of development, our company has successfully obtained ISO quality management system certification in 2016. This is the supervision of our company's future development. We will continue to provide the best quality Carbon Steel Flange for customers all over the world

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