Sintai is specialized in the optical communication field with R&D, production, sales and customer service. We have become one of the top optical communication products manufacturers and service providers in China. Our products and services have been extended to various industries at home and abroad. They are now widely used in the fields of telecom operation, ISP, electric power, IDC, education, transport, radio and television, network security, massive data and cloud services, etc. Our market share is rising steadily.