knapsack sprayer Material:PP/PE Specification: 20 Liter , brass button/Alu lance , ... .2-0.3 Mpa Yuyao Dongxia Sprayer Plastic Industrial Co..Ltd: Based on China Hongxing Sprayer Factory, fonded in 1983, is a ... professinal manufacturer specialized in pressure sprayer, plastic sprayer & bottle, trigger sprayer, lotion pump, mist sprayer and other relevant OEM or ODM customer-making plastic products.