CHEN CHENGKAI

Description: Boxes of cardboard or paper; Drawing materials for blackboards; Packing paper; Paper; Paper ribbons; Plastic film for wrapping; Plastic or paper bags for merchandise packaging; Rotary duplicators; Towels of paper; Writing paper pads; Adhesives for industrial purposes; Antioxidants for use in manufacture; Biochemical catalysts; Chemical adsorbents for removing impurities from fuel; Chemical preparations for preserving foodstuffs; Chemical preparations to prevent mildew; Desiccants; Salt for preserving, other than for foodstuffs; Silicon; Leather-waterproofing chemicals