Main products of this Company, Chengwei brand fire extinguishing installations, are secure, environment-friendly and of high quality; The proprietary technology of this series of fire safety products(core technology introduced form Spain) is world advanced and has been patented for almost 9 years. Anhui Chengwei Fire Safety Technology Co., Ltd is the only domestic manufacturer of such fire safety products with international patents, this original technology has been acknowledged and adopted in most countries in the world. Such as Germany, Spain, Portugal, Canada, Holland, Turkey, Yemen, Iraq, Unoted Arab Emirates etc.
The source of the fire is generally based on three fundamental elements, I, e. Temperature, inflammable matter and oxygen, and chengwei Water(foam) classification focus right on these three fundamental elements to achieve marvelous fire suppression effects:

Working Principle
1. Oxygen isolation: once activated, this product can make oxygen around the flames become insufficient whithin a short period of time;
2. Cooling: Liquid stored inside the fire extinguishing installations will be sprayed to wet surfaces around;
3. Lowered inflammability: Ejected chemical flame retardant and foams make the inflammable matters hardly combustible.