HENAN KINGSUN CHEMICAL LIMITED: KSUN is one of the largest construction chemicals manufacturers in China as a leader of researching and production of Sodium Gluconate, Naphthalene Superplasticizer and Polycarboxylate Superplasticizer. Covering an area of 100, 000square meters, we now have over 600 employees, including more than 300 employees with senior title, high technology and professional, owning our own research and development capabilities. Annual output is over 120000MT, sales reaches up to 15,000, 000 dollars, 80% of ...