Welcome to Qingdao Fangjinlong Technology Development Co., Ltd., a leading name in the chemical industry since 2010, based in Qingdao, Shandong Province. With a strong reputation for excellence, we are dedicated to providing top-quality products and services. Our focus lies in innovative research and development, in collaboration with the School of Environmental Science and Engineering at Ocean University of China, specializing in sewage treatment agents, water treatment turbidity removal equipm