Weifang Lanqing Environmental Technology Co., Ltd. is committed to the production and application of chemicals, products are widely used in papermaking, water treatment, construction, textile and other industries,Our advantageous products include AKD sizing agent, Surface sizing Agent, Rosin Size, dry strength agent , Friendly wet strength agent, SBR latex, Acrylic Emulsion, Flocculant, DADMAC, Tissue paper chemicals and Coating chemicals etc.