Shanghai Yuanyang Agriculture Yield Products Co., Ltd. is located in Shanghai with convenient transportation. We are engaged in the production and distribution of all kinds of compound fertilizers and welding machine .Our marketing channels spread over 18 provinces and autonomous regions in China. Our company has passed the evaluation of ISO9001:2000 certification. We hope to develop long-term business relationships with clients from all over the world. We welcome interested companies to contact us with their inquiries. We promise to give you the most competitive price.