Nanjing Drandao Biological Technology Co., Ltd. is a professional production of sanitary diaphragm manufacturers. The material of the diaphragm valve is PTFE+EPDM.Our products can match various diaphragm valve,Welcome to consultation!Nanjing Dowon Biotechnology Co., Ltd. is a biopharmaceutical technology and product development, production and sales in an integrated enterprise. Since the beginning of its establishment in 2006, we have been constantly forging ahead. With the rapid development of the market and the industry, Dowon has been focusing on the research, development and production of sanitary diaphragm valves and diaphragm pieces for the pharmaceutical and food industries. Through unremitting efforts of R & D team for several years, Teflon-made Teflon sanitary diaphragm series have passed the certification of international authoritative organizations such as FDA and USP and are compatible with all kinds of diaphragm valves of most well-known brands at home and abroad. Products in the course of access to our customers alike. The new generation of asepsis valve produced by our company successively declares and obtains many national patents for inventions and utility models with the features of no dead ends, no residue and long service life, leading the way in similar international products. In order to better serve customers, Dowon continuously improve their own production and management level, has now been the ISO9001 quality management system and ISO14001 environmental management system of dual certification, with independent research and development centers, finished product testing center and production workshop, through self-test, outside Inspection and other harsh testing methods continue to improve and improve product quality to a more stringent management system to control product quality and ensure customer's interests and satisfaction. Based on the business concept of "quality" equating "life", and taking customer value and benefit as the orientation, DaoLong strives for 100% customer satisfaction driven by the result and continuously improves the product quality and service level so that DaoLong is always in the leading position in the industry. Believe that the sincere Daolong people will be high-quality products and services with you to join hands in creating a better future.
