The customer in this case holds an important position in the lighting and home appliance sectors in Vietnam. With a history of over 80 years since its establishment, the company’s headquarters is located in Hanoi. Over the years, it has been growing continuously and has accumulated profound industry experience.
The company’s business is extensive and diverse. In terms of lighting products, it not only manufactures basic lighting equipment such as LED lamps and LED tubes, but also covers indoor lighting fixtures, including LED panel lights, strip lights, ceiling lights, track lights, etc. At the same time, in the field of outdoor lighting, its LED floodlights and streetlights also have a considerable market share. In addition, the company is also involved in professional lighting solutions, including lighting products for agriculture, fishery, and renewable energy. In the home appliance segment, products such as vacuum flasks are also an important part of its business. The products have a large number of users in the domestic market of Vietnam and are also exported to 47 countries and regions around the world, with an expanding influence.
With a development history of more than 60 years, the company has established a complete production system and has strong production capabilities. The annual output of its consumer LED lighting products can reach 100 million pieces, and the annual output of professional LED lighting products is 500,000 pieces. The annual output of vacuum flasks and glass liners reaches 32 million pieces. The company continues to make efforts in product quality control, technological innovation, etc., and is committed to providing high-quality lighting and home appliance products for global consumers, and has long been dedicated to providing high-efficiency lighting solutions for the global market.
In 2023-2024, the customer successively purchased EMI testing system, integrating sphere system, waterproof testing chamber, and electrical safety tester from us LISUN. During the actual use process, these devices have won high recognition and praise from the customer due to their stable and reliable performance, accurate test data, and convenient operation experience. The customer feedback shows that these devices not only meet the testing requirements at that time, but also significantly improve the efficiency and reliability of its product quality inspection, providing strong support for product research and development and quality control.
Nowadays, with the expansion of the customer’s business and the upgrading of industry standards, facing new testing requirements, the customer immediately carried out in-depth communication with us. During the communication process, our professional pre-sales technical team conducted several rounds of detailed discussions with the customer to fully understand key information such as the characteristics of the customer’s new products, the testing environment, and the expected goals. Based on rich industry experience and professional knowledge reserves, our business team responded quickly and immediately organized coordinated discussions among multiple departments such as technology, research and development, and sales. After rigorous scheme design and repeated verification, a comprehensive and targeted solution was finally confirmed, aiming to provide the customer with more suitable and efficient testing services and help the customer achieve ideal results in the new round of product testing. The products purchased this time include: Three Loop Antenna VVLA-30M; UV Aging Test Chamber UV-263LS; and Temperature Humidity Chamber GDJS-020B.

Vietnam – LISUN Engineer Provide Installation and Training for Three Loop Antenna and UV Aging Test Chamber
After the equipment procurement was completed, we responded immediately and dispatched a team of experienced engineers to the customer’s site to fully carry out equipment installation, debugging, and operation training. During the installation and debugging process, relying on their excellent professional skills, the engineers conducted comprehensive inspections and debugging of the equipment, leaving no detail unattended to ensure that the equipment is in the best operating condition. In order to help the customer’s technical personnel master the use of the equipment as soon as possible, the engineers carried out systematic and detailed operation training in a way that combines theory with practice. From explaining the basic principles of the equipment, demonstrating the operation of each functional module, to actual test case drills, they provided comprehensive guidance for the customer’s technical personnel to operate, ensuring that they can independently and proficiently complete relevant testing tasks.

Vietnam – LISUN Engineer Provide Installation and Training for Three Loop Antenna and UV Aging Test Chamber
Looking ahead, the customer has clearly planned to further expand the testing business territory of the laboratory and plans to introduce more categories of advanced testing equipment to meet the growing market demand and technological development trends. We are full of expectations and hope to deepen cooperation with the customer. With our company’s profound accumulation in the research and development of testing equipment and technical services, we aim to jointly explore cutting-edge technologies in the industry and promote the testing and certification industry to a higher level.
The successful cooperation this time is a powerful testament to the quality of our company’s equipment, technical strength, and customer service system. In the future, we will continue to deeply cultivate the fields of testing, certification, and inspection, adhere to the concepts of innovation-driven development and quality first, continuously optimize product performance, improve service quality, provide customers with more competitive solutions, and help customers ride the waves in the development trend of the industry and create greater value and glory.
Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.
Our main products are Goniophotometer, Integrating Sphere, Spectroradiometer, Surge Generator, ESD Simulator Guns, EMI Receiver, EMC Test Equipment, Electrical Safety Tester, Environmental Chamber, Temperature Chamber, Climate Chamber, Thermal Chamber, Salt Spray Test, Dust Test Chamber, Waterproof Test, RoHS Test (EDXRF), Glow Wire Test and Needle Flame Test.
Please feel free to contact us if you need any support.
Tech Dep: Service@Lisungroup.com, Cell/WhatsApp:+8615317907381
Sales Dep: Sales@Lisungroup.com, Cell/WhatsApp:+8618117273997
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