Stock for short：长盈通
Stock code：688143

YOEC adheres to the idea of "scientific and technological innovation, pioneering and enterprising, sincerity service and repaying society", based on independent innovation, and constantly improves and enriches the company's product series with a pragmatic attitude to create more value for customers.

YOEC insists on becoming a scientific, simple, democratic and progressive company, fulfills the social responsibilities of the enterprise, abides by the law and pays taxes according to law, and guides the behaviors of the employees with its own actions, to affect all our related parties with the gathered positive energy.

We believe that although economic benefits of the investment in energy conservation and environmental protection is difficult to achieve in the short term, as a responsible enterprise, the continuous investment in energy conservation and environmental protection is a manifestation of courage to take responsibility. Since the establishment, YOEC has continued to carry out activities of safe production, green office, environmental protection and low carbon on a company-wide basis, making contributions to building an environmentally-friendly and resource-saving society.

YOEC extends corporate social responsibility to customers, suppliers and partners. We require suppliers to make commitments to fulfill their social responsibilities, and evaluate and review to enhance their awareness of social responsibility and promote the sustainable development of the industrial chain of special optical fiber devices. The era of business ecological civilization will come eventually, and we are committed to building YOEC into an enterprise that employees trust, customers rely on and society expects.