PP (Polypropylene) is a non toxic lightweight polyolefin and has proven to be an excellent material with chemical resistant that suitable for laboratory and industrial drainage pipe where mixtures of acids, bases and solvents are involved. Polypropylene is well known of its tough and flexible characteristic, especially when copolymerized with ethylene. Polypropylene can be made translucent when uncoloured, however it is not readily made transparent as polystyrene, acrylic, or certain other plastics.

RWD have ability of exploitation, development, design, evaluate-quality and so on and provided with founding, machining, polishing, plating, plastic, etc. Advanced production equipments. Emergency sprayer eye washer, assay water faucet, water-valve, gas-valve, laboratory fume exhaust, poly-propylene flume, adjustable pegboard and so on are the best products in the lab of advanced and ordinary education, the sanitary wares that are made of copper are saving-water and durable.