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WE FORMULATED CHINA NATIONAL STANDARD OF SILICA GEL & COLLOIDAL SILICA
Email: sales@sdymqy.com    ymsilicagel@gmail.com     WhatsApp / WeChat: +86 18654681060
SURVEY ON PRODUCTS AND SERVICE
Questionnaire
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Products that you bought / need
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1、Stability of technical data
2、Package of products
3、Appearance of products
4、Tolerance of quantity
5、Price of our products
6、Delivery of products
7、Protection during delivery
8、Supply in Emergency
9、Response to complaints
10、Service of sales team
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