In order to develop new products and innovate filtration technology, Hengqing Environmental Protection has its own keel production workshop, equipped with a shot blasting production line, a spray molding production line, and a series of welding machines. It can produce 300000 ordinary keels and pleated bag keels annually. The keel and cloth bag are the core accessories of the dust collector, and the quality of the keel itself and its matching size with the cloth bag are particularly important, which has a significant impact on the service life and filtration performance of the cloth bag. Our company is equipped with professional technical personnel to conduct research and analysis on the damaged fabric bags under all dust removal system conditions, in order to improve and innovate the keel design, provide customers with selection and technical services.