ABOUT Lanlang Why Choose Us --Specializing in water filtration medias since 2005 --NSF/ANSI 61 &372 standard certified by WQA --Awarded China Top-10 suppliers by Alibaba.com --1000+ shipments annual exporting to 40+ countries --250 kilometers to China main seaport Established in 2005, Lanlang has a professional team engaged in the research, development, production, sale, and service of water filtration medias. Lanlang becomes not only China