You can find PP Pleated Filter Cartridge, Micron Filter Cartridge and Liquid Filter Cartridge suppliers and manufacturers from China. www.barefootsongs.com is a safe online market for international trade.
I recently placed an order and I needed to update that order prior to shipment. The staff was responsive and courteous.
Easy to talk with, very professional and fast service, the quality is super good. Even better than we ordered from Germany!!