Taizhou Luqiao District Huyue Sprayer Factory was established in 1986. We are China knapsack power sprayers manufacturers and OEM knapsack sprayers suppliers. After years of development, it has produced various sprayer machines from the beginning to the production of accessories, including injection molding machines of various sizes. It has a complete quality management system and passed the national CCC certification and CE certification.s Knapsack Power Sprayer machines from the beginning to the production of accessories, including injection molding machines of various sizes. It has a complete quality management system and passed the national CCC certification and CE certification.