Douai is designed and manufactured using high-quality material and the latest techniques in compliance with industry standards. Its heat exchangers, pipes and components are selected to reduce the amount of refrigerant in the system without reducing energy efficiency
r******d
The design of Douai is never out of date. It serves 500 more refrigeration brands such as ARKOOL
v******h
The design and material selection processes of Douai are strictly controlled. It can be used in gas dusters and in air driers for the purpose of removing moisture from compressed air
n******w
Douai leads in design and technology. It is available with a small can, disposable cylinder, refillable cylinder, Ton cylinder, and ISO tank
f******j
The manufacturing process of Douai is safe and reliable. It is not poisonous or lethal to human health and foodstuff
c******s
A rigorous quality control process ensures zero defects and consistent quality. It can be used in particle detectors such as cryogenic particle detectors