APD type--Automatic Polymer Preparation System Made by SUS-304 with corrosion resistant material and completely auto-operation to assure the highest efficiency and lowest cost of operation and maintenance. Innovative design of the wetting mixing device to prevent congeal and uneven mixing, and also be designed to multi-tank for speedy mixing and storage for continuous usage. This device has no limit in every kind of industry, such as Municipal, Settling, Flotation, Petrochemical, Sulphate, Plating, Paper Mill and other process. Besides, we will do customize as client's request.