1, the first domestic technology: production using multi-layer co-extrusion technology 2, the average 1mm thick materials have different densities of material 16 layer superposition of three products for the qualities of the composite polymer materials - white, my company product unique colors, materials and other rubber products for ordinary white tones can not be achieved easily and common materials distinguish special custom conditions: First, the color ---- I soundproof polymer membrane color is white, the color can be customized according to customer requirements, meet customer requirements. Second, the thickness ---- existing product range to 1.2mm, 2.0mm thickness of the two main promotional products, if customers have special thickness requirements, our company can be adjusted according to the requirements of production equipment, production of different thickness of the product. Third, the width ---- existing product range to 600mm, 1200mm width of the two main promotional products, if customers have special width requirements, our company can be adjusted according to the requirements of production equipment, production of products of different widths. Fourth, through long packing ---- length of 10m roll, if the customer requires a special coil length, our company can produce products of different lengths, individually packaged. Five, shape ---- For special use areas that require special shape products, our company can meet all kinds of special shapes upon request. Six performance indicators ---- Our company is independently developed production-oriented enterprises, for different customer performance requirements are met.