Batterysprayer, Knapsack Backpack Sprayer, Knapsack Sprayer manufacturer / supplier in China, offering 16L Knapsack Hand Sprayer Agricultural Backpack Electric Sprayer (KD-16D-001), 18L Knapsack Electric Battery Sprayer (KD-18D-NP001), 18L Knapsack Electric Battery Sprayer (KD-18D-001) and so on.