The design of Douai is sophisticated. It involves the application of such subjects as thermodynamics, electrical theory, hydraulics, engines, and pumps.
b******l
Workmanship for Douai is conducted based on its actual usages. Its mechanical parts will go through heat treatment, finish machining, and even ultrasonic machining.
j******c
Douai is carefully mnufactured. It is completed by several basic processes. They include cutting, sewing, assembling, decorating, etc.
s******g
After the production is completed, relevant tests will be carried out on Douai . The dyeing quality and process will be tested to meet the mandatory standard: basic technical specifications for textile safety.
y******v
The use of super-long fiber cotton of the highest quality can optimize the softness of Douai while maintaining lifelong durability and service life.
m******u
Selected high-quality materials, using advanced production technology and craftsmanship, it has the advantages of anti-corrosion, wear-resistant, waterproof, moisture-proof, not easy to fade and crack, durable, and has a long service life.