Shandong Yanggu Hengtai Industrial Co., Ltd.
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Shandong Yanggu Hengtai Industrial Co., Ltd.

We have made the following certification:

 

1, ISO9001:2008

2, ISO14001:2004

3, OHSAS 18001:2007

 

4, PE Pipe Water Saving Products


5, PVC-U Pipe Water Saving Products


6, PVC-M Pipe Water Saving Products

 

 

ISO9001:2008 Certificate 

 

ISO14001:2004 Certificate

 

 

OHSAS 18001:2007 Certificate

PE Pipe Water Saving Products Certificate

 

 

PVC-U Pipe Water Saving Products Certificate

 

 

PVC-M Pipe Water Saving Products Certificate

 

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