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Dongguan Lianlong Optoelectronics Technology Co., Ltd. was established in 2008. It is a powerful manufacturer focusing on R&D and customized production of plastic optical lenses. The factory covers an area of more than 3,000 square meters, equipped with more than 50 advanced precision molds and injection molding production equipment, and has independent optical inspection experiments. Laboratory, and a team of experienced optical engineers, can provide customers with diversified optical solutions, and establish a long-term good school-enterprise partnership with Jiangsu University. Our products are widely used in LED lighting / photoelectric sensors / laser ranging / 3D printing / Human body infrared sensing and other fields.

We strictly implement the ISO19001 quality system and strictly controls the selection of materials to provide customers with high-quality products and services. In line with the business philosophy of "diligence, pragmatism, integrity, innovation," and "dedication, professionalism, focus, mutual assistance, efficient team spirit, and always adhere to: people-oriented, customer-oriented, and technology-based" guidelines. The company will continue to climb and innovate on the road of optical research and development, and strive to become an optical enterprise with its own technical core and innovative capabilities.



Quality reputation first

Lianlong Optoelectronics, as a positive and progressive company dedicated to the lens industry, adheres to the business philosophy of taking cheap, good, and timely products, transcending geographical lines, and facing international competition and challenges, and always insists on quality first, The principle of the supremacy of credibility, customer-centric, and constantly design and develop products that meet customer needs.



Professional quality is worth your trust

The company is equipped with a number of advanced injection molding machines and testing equipment. The process is carried out in strict accordance with the production specifications. Each link has professional technicians to control the quality, and conduct the first inspection and process inspection of the products. The shipment is fully inspected for quality control, and our products have passed CE/ROHS/PSE certification, and the company has passed the ISO9001 quality management system certification.

Advanced production equipment and professional production and management mode

   Lianlong Optoelectronics is equipped with more than 50 advanced precision molds and injection molding production equipment, including an independent optical testing laboratory, an independent optical testing laboratory, and an experienced team of optical engineers.

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