Douai is designed and manufactured using high-quality material and the latest techniques in compliance with industry standards. Our products range covers cold water soluble packaging PVA film series which include over 10 different types
t******u
The design of Douai is never out of date. Our products range covers cold water soluble packaging PVA film series which include over 10 different types
d******g
The design and material selection processes of Douai are strictly controlled. Until now, we have developed 6 formula systems of PVA film with over 20 models of PVA film
k******v
Douai leads in design and technology. Integrated continuously cutting design is very stable and effective
r******s
The manufacturing process of Douai is safe and reliable. For now, Polyva has applied for 9 invention patents including 5 utility patents
m******t
A rigorous quality control process ensures zero defects and consistent quality. The adopted materials are all harmless which do no harm to human body