Douai has the best design that comes from professional designers. It contains no impurity as its materials have been processed by a filter
l******r
Douai is scientifically designed based on the production standards. It has good heat resistance with a melting point of 164~170 °C
e******n
The production of Douai adopts reasonable improvements. Free samples can be provided for this product and will typically be shipped within one day
f******t
The technology used to manufacture Douai is innovative and advanced, ensuring standardization production. It is resistant to a wide range of chemical reagents
p******z
Douai is designed and manufactured under the supervision of experts by employing the latest technology following industry standards. It is designed base on our 20+ years of R&D experience
f******k
The product is thoroughly examined by our quality experts before dispatching. It is designed base on our 20+ years of R&D experience