As a high-tech enterprise specialized in development, production and marketing of optical, mechanical and electric products, Seidel Optoelectronic Technology Ltd. (SDL) has 1000-class clean-room assembling workshop as well as various types of state-of-the-art test equipment, which creates a favorable environment for the production of high-quality products. In addition, SDL has a team of high-quality skilful technical workers and a complete quality management system to ensure the production of high-quality products. Composed of technical professionals with extensive experience in optical and mechanical sectors and equipped with a robust optical system, SDL optoelectronic product R&D team has robust strength in opto-mechanical system design and can make skillful use of ZEMAX, Code V and Tracepro software to design complex optical systems, such as telescope system, microscope system, telecentric system, catadioptric system and various types of scanning systems. We provide ODM and OEM services for various types of optical systems and opto-mechanical systems based on customers� specific requirements. Currently, SDL produces a full range of high-performance optical products such as video monitoring lens, telecentric lens, high-resolution telescope lens, medical lens, fingerprint capturing device, machine vision lens and biological identification lenses. At SDL, we focus on practical efforts and technical innovation to create mutual benefits for our companies and our customers and provide highest-quality products for them. We earnestly wish to join hands with potential customers home and abroad in economic and technical cooperation.