The test of Douai is strictly conducted. For example, elastic compound is tested to guarantee its correct properties such as its stiffness. The product is able to provide a great purifying effect
c******t
The quality control of Douai is strictly conducted. This control procedure includes parts of a shoe and as well as materials. The product has been certified under UL and CE
l******m
The manufacturing process of Douai is complicated. This process includes the preparation of shell pattern, stitching, lasting (to shape the final shoe.), and final assembly. Adopting an intelligent circuit design, the product has a self-check function
l******s
Douai is an outcome of four applicable expertise. Specific knowledge in geology, chemical analysis, and high purity process are used to convert raw materials into high purity and high-value final product. Adopting an intelligent circuit design, the product has a self-check function
f******c
Douai is manufactured by our professional team, meeting the highest safety standards in the water parks industry while delivering entertainment, joy, and comfort. Its parts are all made of CNC machines, which features high accuracy
a******p
The product has quality consistency and stable performance to meet the requirements of the customers. Adopting an intelligent circuit design, the product has a self-check function