... %imported high-density polythylene material one-time injection molding,acld and alkali restance ,corrosion resistance,easy to clean,weld. 2 ... of each other ,convenient transprotation,utmost to save space and cost.6 widely applicable to various environment ,more can ... ,such as property,sanitation,factories,etc.yellow,blue,green,and red color selection of ash .7 including uv stability addittives ,uv ...