Zhoushan Walter Swimming pool Equipment Co.,Ltd is a specialized swimming pool equipments manufacturer in China. Founded in 2005, Walter is specialized in manufacturing superior quality sand filters and water/air pumps for swimming pool, spas, fountains, aquarium and other water features. Trademarked products Cadisdon, Haoli, Porlid become the wel-known, highly regarded pool equipment in domestic market. For international, Walter markets its products in Asia, Euro, Australia, Mid-east and ...