KF-423 Knapsack Mist Duster https://www.kaifengsg.com/product/knapsack-mistduster-series/ Founded in 2001, Taizhou Kaifeng Plastic Steel Co., Ltd. is a is China high quality KF-423 12L Mist Dust Knapsack Gasoline Sprayer Manual Single Cylinder Two Stroke Plastic Customized 12L/20L Electronic Ignition factory, it is mainly engaged in the production of household plastic products and industrial and agricultural plastic supplies. After a few years of development, now we have 100 injection molding machines (100 G to 25000 G) and blow molding machines.