Qingdao Max.Source Industry Chemical Co.,Ltd. is a professional manufacture of Urea and Compound fertilizer in the agricultural science and technology development, production and sales of large enterprises.. The company has a complete and scientific quality management system. The good faith, the strength and product quality for the industry's approval. Our company has professional technicians, to provide the products research and development, professional technical support. The company has the product r&d, produce center...