Weifang Lanqing Environmental Technology Co., Ltd. is located in the industrial park of Weifang City. It is committed to the R&D, production and application of Paper chemicals and Water treatment chemicals, and has achieved a number of new functional additives and related fine chemical technology breakthroughs. After long-term accumulation, we have established a chemical application evaluation system for the entire industry chain from Pulping, Wet end papermaking, Coating and Printing, which can...