we would like to introduced Hubei Yongda Chemical co.,ltd. is a large Lignosulphonate chemical company in CHINA. we produce large quantity lignin-series products as : Sodium Lignosulphonate Calcium Lignosulphonate Sodium gluconate(tech grade) Sodium Naphthalene formaldehyde(high effect water reducer) Titanium dioxide Portland cement Our series products widely serve as concrete admixturers, water-coal paste additives, ceramic additives, refractory additives, feed additives, water reducer, leather additives, fertilizer additives and pesticides dispersant,etc.. .... If you need these product,pls send email to me,we will give you the most competitive price and the best service.waiting for your reply! wish we can cooperation with you in nearly future! best wishes, Judy Tel:0086-013217202770 Company: Hubei Yongda Chemical Co., Ltd. Website:www.yongchemical.com email: yongdachem@163.com