Hangzhou Linan Jinlong Chemical Co.,Ltd. was founded in 1989,which is a specialized manufacturer of tartaric acid series products.and the company owns a high-quality, strong ability and rich-experienced technical team. With advanced production facilities,complete testing instruments,our products are meeting international standards and we have passed ISO9001:2000 certificaiton of international quality management system. At present ,our products include: DL-tartaric acid , antimony potassium tartrate , potassium sodium tartrate , potassium hydrogen tartrate , potassium tartrate , sodium tartrate etc., especially the"Linhua"tartaric acid series products has been well known throughout China. The company bases ourselves upon the domestic market,and exploit the international market actively,now,our products have been exported to many countries of Europe,America,Asia,Africa etc..