Douai has been tested based on the following test regulations. They include energy efficiency, energy consumption, working temperature, startup time, etc. It is perfectly encapsulated to prevent the invasion of dust and insects
a******l
Douai has been strictly tested. These tests include panels testing, plugs testing, voltage testing, and frequency testing and customer-requested testing. This product features auto charge at daytime
a******h
Douai is designed based on extensive research, testing and knowledge to create the optimal balance of waterproofing, tear strength and weight. Its lighting time is up to 16 hours after it's fully charged
x******j
With quality inspection from third-party companies, each phase of manufacturing is monitored so users can be confident that Douai is the most responsibly produced bedding in the market. Its battery features fast charging and low discharge time
h******z
The manufacture of Douai is of professionalism. The process mainly includes the following stages: the procurement of metal materials, fabrication of the frame, machining and assembly of component parts, and commissioning. Featuring moisture and water resistance, it can be applied in roads, parks, gardens, and highways
w******x
Through the whole process of strict quality inspection, we ensure product quality to meet industry standards. The product has the advantage of low- and high-temperature resistance