Our Advantages
Focus On Filtration
More than 20 years experiences of manufacturing filter elements, helps INDRO filter machine division to research and design more perfect machines and solutions of making pleated filters.
Continuous Innovation
INDRO filter machine division is constantly innovating and developing new welding and pleating technology for pleated filter element to meet the requirements of producing top quality filters. The servo drive infrared welding system developed by INDRO is specially used to produce the world's top class cartridge filters. We are top 1 company in China who developed totally automatic welding system for cartridge filters. Our latest pleating system is to produce top class HEPA filters.
Meet Environmental Standard
INDRO pleated filter cartridges and air filters machines meet environmental requirement, utility requirement, machine safety requirement and HMI requirement, have been got approved in USA and Europe market.
One-Stop Service
INDRO provides safe, efficient and stable automatic filter welding and pleating engineering design, patient and professional one-stop services of machine training, installation and debugging.


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