XINLIN (SHENZHEN) TECH CO.LTD is a specialized manufacturer of Refrigerator Water Filters . XINLIN's production facility and internal laboratory are equipped with advanced machines and high precision testing equipment, such as molding machines, ultrasonic welding machines, sterilizing equipment, packing machines, liquid particle counter, multi-parameter water quality online analyzers, atomic absorption spectroscopy, and pressure testing equipment. We provide both standard and custom-designed water filters for many applications, including carbon filters for residential and commercial filtration systems, water filters for use with home appliances like refrigerators, coffee machines and water fountains, water pitche filters and bottle filters, and faucet mount filters. The filters can be customized to meet NSF/ANSI 42, 53, 401 standards. If you are looking for OEM or ODM for water filters, we will be your best partner. The activated carbon the filter uses is all coconut shell based. Structural integrity testing is conducted for all pressure bearing units. Quality and customer satisfaction are our top priorities, welcome to visit our factory and look forward to work with you.