PP hollow board is a green material, is widely used abroad, in the country has just begun, and gradually to replace part of the corrugated packaging materials, some domestic enterprises is developed and used for building and furnishing materials with! PP hollow board because of its wide range of applications, easy to use, also known as MassMutual board, which are widely used in advertising background, stationery materials, industrial packaging, products and shockproof, the most common turnover box, combo box, removable product packaging boxes and boxes in the partition. Hollow board commonly used environmental pollution recyclable thermoplastic polypropylene (PP), polyethylene (HDPE) resin and a variety of accessories made of, in addition to a polycarbonate (PC) hollow board, also known as sun panels, glass Karp Long board, PC hollow sheet, high-performance engineering plastics PC resin processing, with a high degree of transparency, light weight, impact resistance, sound insulation, heat insulation, flame retardant, anti-aging and so on, is a high-tech, integrated extremely excellent performance, energy saving and environment-friendly plastic sheet, plastic building materials commonly used in the current international.