WPC is added 20N85% of wood flour and a variety of processing aids in the plastic matrix, using high-speed mixer, mixing, granulation or by direct molding shaped products. It combines the excellent properties of wood and plastic, production of wood products achieved real results. Production costs are also lower than the wood, it will bring about a revolution in the emergence of the wood products industry. Development and production of new composite materials, one can waste plastics, waste wood recycling, wood railing, reduce environmental pollution; on the other hand, how to sell wood railing, can meet the modern construction of wood products a lot of demand. WPC railing Test Method: railings, handrails structural performance test methods shall be in accordance with the requirements of the cantilever member GBJ10 regulations. WPC railing inspection rules: 1) railings, handrails member in the factory, the factory of the inspection must be carried out by the plant inspection department. 2) test project performance indicators above structure, color and size deviations, a total of eight projects. 3) Batch and sampling a: according to the same component type, same unit works in the same process of normal production batch. b: the appearance of quality basic pieces by observation, by 3 percent random sampling, and sampling a total of not less than three. c: structural performance test shall be randomly selected from a specimen for testing. 4) Quality assessment principles: assessment by the piece, excellent products must meet the requirements of not less than seven, first-class goods must be at least 6 to meet the requirements, wood railings in which to buy, qualified products must meet the requirements of not less than five ??? 5) Acceptance of the principle: The sampling railings, handrails, the superior product rate of less than 90%, the lot shall be first-class product acceptance; first-class rate of less than 90%, the lot shall be qualified for acceptance; eligibility rate of less than 90%, the batch sampling should be doubled, qualified rate is still less than 90%, then all should repair. Repairing railings, handrails, after inspection, all by qualified product acceptance, repair methods and test results should be documented. Wood railings price, long three-building materials (certified), wood railings provided by the Chongqing Municipal Building Materials Co. three years. Chongqing City for three Building Materials Co. (www.cqjsmsjc.com/) Chongqing Liangping County, building materials processing leader, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the three years leading building materials with the staff warmly welcome all inquiries negotiations to create long three building materials better future.