Green Agro Source Co.,Ltd | Address: Lizeyayuan Apartment, south west Station Road,Fengtai District, Beijing, Hebei 100072, China 
www.greenagrosource.com | Send Inquiry | Phone: +86-10-56288687
Green Agro Source Co.,Ltd is specialized in humic acid series products. Based on humic acid we developed a lot formulations, such as humic acid salt (potassium humate), humic acid formulate with amino more...