Liaoning Putian Tongle Fertilizer Co.,Ltd is a high-tech enterprise,mainly engaged in R&D,manufacturing and offering organic fertilizer,especially on humic acid organic fertilizer.It is located in Shenyang China. The company covers an area of 170,000 square meters, with research and development centers, training centers, production bases, and so on.Now Putian Tongle Fertilizer Co., is one of the most important and integrated company of China Humic Acid Industry Association with independent internatinal export & import rights.<br /><br />The manufacturing of Putian Tongle Humic acid organic fertilizer is based on adequate supply of humic acid which comes from Huo Linguole,a city famous for its abundant and good quality lignite and leonardite.Adequate supply of raw materail assured the quality and quantity of production.Our annual output of humic acid organic fertilizer is 200,000 tons.<br /><br />In such rapidly developing fertilizer field,R&D is a important department for a enterprise