This smell clap has two spicifications and they respectively 400x400 and 500x500. They are used togher with water 400x400 and 500x500.
The enterprise covers an area of 13000 square meters  and can produce castings of 20000 tons annually. The enterprise owns perfect physical and chemical checking and testing equipment and has passed the ISO9001:2000 International Quality System Authentication.
The products with the registered trade mark Qili by the enterprise meet the requirement of EN 124 .