Product quality guarantee:
The guarantee period is 13 months since our products are out of workshop.
After the guarantee period, we offer service door to door for whole life.
We offer free training so that customer can use it properly
If there is quality problem, our after-sales man will come to site between 24 to 48 hours.
Product standard: Q/YWJ009-2009。

Tel:86-535-6529575 6527882 Fax:86-535-6529575 Web Of Headoffice Add:4-4 Chufeng St.,Zhifu District,Yantai ShanDong
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