Industry plants always have exhaust gases, which causes air pollution and environmental damages for the society. In addition, those exhaust gases are also very harmful to the industry workers and peoples living around. Baghouse with filter bags installed inside the body including dust collector works as an air purifier for every exhaust spot in plants so as to fulfill the obligation of environment protection. Filter bag is one of the major components of bag house and a sensible spare part can be used for different kinds of dust collecting in various industry plants. Baghouse, dust collectors, filter bags are the key products of SINOSPARE with design and customized manufacturing abilities.