With “Harmony • Heart” as its core culture, GLESI adheres to the core values of “Work together, Win together”, fully implements the scientific development concept, and actively takes social responsibility. GLESI sticks to the development concept of quality growth, continuously optimizes the product structure, and creates good operation performance, as to contribute to the healthy development of the national economy; adheres to the concept of green and low-carbon development, and accelerates the construction of resource-saving and environment-friendly production modes and operation models, as to contribute to the construction of “Beautiful China”; earnestly protects the interests of employees, helps employees with their growth, attaches great importance to safety production management, cares about good causes, donates funds to support the poor employee families and support schools in the remote mountain area, and provide voluntary services, as to repay the society. GLESI has been taking efforts in maximization of the long-term interests of the employees, the company, the country and the society.