specializing in developing and producing Water Filter Elements such as plastic and stainless steel filter housings, all kinds of filter cartridges-Activated carbon cartridges, PP sediment cartridges, PP wound cartridges, Positive-ion resin cartridges, Hollow fiber cartridges and so on, and the other spare parts. We also assemble household and commercial RO systems. Our activated carbon materials have been NSF approved. For more details, please contact us.