We are one professional manufacturer in China mainland, specializing in producing Water Filter Elements such as plastic and stainless steel filter housings, all kinds of filter cartridges Activated carbon cartridges, PP sediment cartridges, PP string wound cartridges, Positive-ion resin cartridges, Hollow fiber cartridges and so on, and the other spare parts.;Water Filter systems such as countertop or undersink, plastic or stainless steel types. We also assemble household and commercial RO systems.