The supply chain is an extension of the production system, we regards suppliers as a community of life, adhering to the concept of coexistence, co-prosperity and sustainable development, and working with suppliers to implement green supply chain management, ensuring effective control of supply chain and any changes, and promoting supplier all together to improve the greenness of the product life cycle. In the process of production activities, we encourage all suppliers to fulfill social responsibility, to assume responsibility of environment, employee and socity as the goal, in order to reduce excessive consumption of resources and harm to the environment in the production or consumption process, and promote green production to achieve the goal of sustainability.