Every production stage of Douai is inspected by a specific QC team. From the raw materials grinding to vitrification and sintering, all these stages are conducted strictly according to the regulations of porcelain production.
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Douai has to go through the life cycle assessment regarding its whole service life. The assessment includes its properties of chemical, physical, energy impacts.
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Douai has to undergo a conformity assessment to demonstrate that it meets legal medical requirements to ensure it is safe and performs as intended.
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The quality control of Douai begins with the receipt of raw materials. These materials go through extensive QC procedures to ensure that the product is in compliance with the rubber and plastic industry regulation every time.
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All raw materials of Douai are well-selected from suppliers who are qualified in the sanitary ware industry and these materials are stringently tested by our QC team before production.
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This product is characterized by good air circulation between the skin surface and the environment. Good ventilation at skin level and the possibility of eliminating the excess humidity generated through perspiration.