Hangzhou Special Paper Industry Co., Ltd. Founded in 1994. Main products: Lab Filter Paper, pH Indicator Paper, Syringe Filter, Membrane Filter, Chromatography Paper, Lens Cleaning Tissue, Flower Paper, Bibulous Paper, Germination Paper, Etc. pH Indicator Paper Includes PH Testing Paper, Special Testing Paper and Diagnostic Testing Paper, Etc. NEWSTAR has been insisting on R & D and innovation for many years. We constantly increase the investment in R&D department and the power of R&D team building. We established long term strategic cooperation with famous universities in Paper-Making, Chemical Industry and Material Researching Industry in China and all over the world, with collaborative research and innovation. Received excellent honors from national&provincial demonstration enterprises.