Shanghai Bianfeng Pump Manufacturing Co., Ltd, a professional manufacturer, is engaged in design, production and sales of diaphragm pumps in China. We have never stopped keeping improving and optimizing our products ever since the establishment of the company, and have created the series of QBY1, QBY2 and launched the QBY3 with more than twenty years of experience and technology. They are widely used in chemical industry, environmental protection, oil extraction, pharmacy, food, metallurgy, paper-making, electric power and printing & dyeing with high quality and competitive prices.We have also passed ISO 9001 International Quality System Certification and awarded with the certificate of honor by the Organizing Committee for Co-hall of PRIVATE Enterprises of 2010 Shanghai World Expo in 2010. QBY3 Series, third-generation pneumatic diaphragm pumps, which are made in China, fully promoted by our team, are the core products adopted an American advanced technology. QBY3 Series obtain proper designs with various features such as, zero seal, anti-explosion, low shearing, easy maintenance, idling capability, portability, self-priming start and multiple-material selection options. As we constantly upgrade and R & D for the product, we particularly take ?Make every project/customers to be a sample project of BianFeng? as our object of service. Therefore, we have established the most comprehensive marketing service system in the whole China: total of 10 service departments, 30 responsible regions and 65 service network, a team comprising 7 special levels of professionals, including managers of service department and service engineers, will provide active, fast, comprehensive and considerate services for our customers. We have also established the systems of customer archiving and 24h rapid response etc in order to make every project/customers to be a sample project of BanFeng.