Shandong macro environmental protection polytron technologies inc. was founded in 2011, specializes in the field of air pollution control and bag filter, Including engineering design, planning, consulting, equipment research and development, manufacturing, sales, installation and commissioning, as well as production and services.With national environmental design qualification and qualification certificate of foreign contracted projects, as well as certification of the IS09001, IS014001 and IS018001. Now we have become a much respected users-concerned PM2.5 dust control and industrial de-dusting solutions provider. We do contracting business of municipal solid waste incineration flue gas treatment system, electromechanical integration of environmental protection, total contracting capabilities of new technologies.Our filter cage adopts the most advanced high frequency dc multi-point welding technology for one-time welding molding, its characteristic of welding is firm, appearance is bright and clean straight, overcomes the uneven manual welding solder joint that wears the filter bag. Dust filter cage is the frame of filter bag, directly influences the quality of the working state and service life of the filter bag. Besides, dust collector bag frame and accessories are very important for the external pulse bag filter dust collector. Perfect frame design and manufacturing can help bag filter to achieve optimal performance, and is conducive to the durability of the filter bag.