Foundry Wharf bollard, to be cast on the quality control and inspection. First, the process to develop codes of practice and technical conditions from raw materials, auxiliary materials to each specific control and inspection of the product. For each procedure are strict rules and technical conditions according to the process control and inspection. Finally, the finished castings for quality inspection. Be equipped with a reasonable and appropriate detection method testing personnel. General appearance of the quality of the casting pier bollard facilities available comparison specimens to determine the casting surface roughness; subtle coloring crack surface available, magnetic particle inspection method. The internal quality of the casting, available audio, ultrasonic, eddy current, X-rays and γ-rays and other methods to check and judge. According to "China's steel casting industry sales demand forecasts 2013-2017 and upgrade analysis report" [3] statistics, in 2012 China's total output of 42.5 million tons of various types of castings, compared with 2011 growth of 2.4% yoy dock bollard price, a sharp slowdown in growth. Casting downstream industry demand structure changed significantly. Casting demand from the industry situation, automotive castings accounted for a quarter of the change in vehicle production and changes in the structure of the total cast great influence; the demand for all kinds of pipe fittings accounted for 12.2%. Pier bollard machinery manufacturers _ Chen Hua (certified) _ pier bollard provided by China Machinery Equipment Co., Ltd. Qingdao Chen. Qingdao Hua Chen Machinery Co., Ltd. (www.qdchenhua.com) is Qingdao, a leader in CNC machine tools over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Chen Hua Machinery leadership in the staff warmly welcome all inquiries negotiations to create a better mechanical Chen Hua future.