The quality of Douai is guaranteed through all the production stages by the QC team, so as to meet the international mechanical seal standards.
j******q
The test of Douai is strictly conducted. For example, elastic compound is tested to guarantee its correct properties such as its stiffness.
y******j
All of the materials of Douai are approved and tested to make sure that they meet all safety regulations in the tent industry.
e******l
Douai is produced under the support of high tech. Comprehensive technical support system for solar power generation is adopted to adjust the energy conversion capacity.
j******f
The on-site construction process of Douai is conducted by skilled, experienced installing professionals who bring years of industry experience to each project.
q******k
The company strengthens production management, centralizes procurement, reduces procurement costs, and controls production costs. The produced is affordable, high-quality, and cost-effective.