Through years of industry accumulation, Tonggui Testing has established a comprehensive service system and holds significant advantages in the field of testing and certification. The company has a highly qualified professional team, all of whom have been deeply involved in the testing industry for many years. They have a precise grasp of various testing and certification standards at home and abroad, and their rich project experience enables them to quickly develop personalized testing plans for customers. In terms of hardware facilities, Tonggui Testing continues to increase investment, introduce internationally advanced testing equipment, and create high standard and intelligent testing laboratories, providing strong guarantees for the accuracy and reliability of testing data. At the same time, Tonggui Testing always adheres to a customer-centric approach and has launched a one-stop service model. From the beginning of customer consultation projects, to testing implementation, report issuance, and certification guidance, we provide thoughtful services throughout the entire process, greatly saving customers' time and energy. With outstanding service quality, we have established a good reputation in the industry.

UL certification testing

Testing standards

UL (Underwriters Laboratories) certification is a globally recognized safety certification system aimed at ensuring the safety of products during design, production, and use. UL has developed detailed testing standards for different types of products.

Electrical products: For wires and cables, UL will strictly test their insulation performance, wear resistance, and flame retardancy. In insulation performance testing, specific voltage is applied to detect whether there is leakage in wires and cables, ensuring their safety during use. For household appliances such as refrigerators, washing machines, microwaves, etc., UL not only tests their electrical safety performance, but also conducts comprehensive testing on their mechanical and fire resistance performance. For example, in fire performance testing, simulate the possible fire situations that may occur in actual usage scenarios to test whether the product can effectively prevent the spread of fire.

Lighting products: UL's testing of lighting fixtures covers multiple aspects. In optical performance testing, the luminous intensity, light color, glare and other indicators of the lamps will be tested to ensure that the lamps can provide a comfortable and healthy lighting environment. At the same time, the electrical safety performance, structural stability, and heat resistance of the lighting fixtures will also be tested. For example, in heat resistance testing, the lamp is placed in a high temperature environment to observe whether it will deform, be damaged, etc., in order to evaluate its reliability during long-term use.

Building materials: UL conducts strict fire rating tests on fire-resistant materials used in buildings, simulating fire scenarios to test the material's fire performance and flame retardant effect. For electrical installation materials such as switches, sockets, etc., UL will test their electrical performance, mechanical performance, and durability to ensure their safe and stable operation in building electrical systems.

Applicable products

Electronic and electrical products: From daily mobile phone chargers, laptops, to industrial motors, distribution cabinets, etc., various electronic and electrical products usually need to pass UL certification testing in order to enter the US market or gain higher recognition in the international market.

Lighting products: various types of lighting products such as LED lights, fluorescent lamps, intelligent lighting systems, etc., often require UL certification testing to ensure their safety and performance stability during use.

Building materials and equipment: fire-resistant boards, electrical conduits, fire-fighting equipment and other building materials and equipment play a crucial role in construction projects. Through UL certification testing, they can ensure compliance with relevant safety standards and ensure the safety of buildings.

Tonggui Testing provides customers with professional UL certification testing services: a professional technical team customizes testing plans based on the characteristics and needs of customers' products; During the testing process, we strictly follow the relevant standards of UL certification and use advanced testing equipment to monitor the testing process in real time, ensuring the accuracy and repeatability of the test data; After the testing is completed, provide customers with detailed and professional testing reports, and assist them in applying for certification, helping them smoothly obtain UL certification.

Why choose general testing

Professional team support: The professional team of Tonggui Testing has rich experience in UL certification testing and has a deep understanding of various standards and technologies. They can provide customers with comprehensive technical support and help them solve various problems encountered during the testing process.

Advanced equipment guarantee: The company is equipped with internationally leading testing equipment, which can not only simulate various complex testing scenarios to meet the testing needs of different products, but also improve testing efficiency, shorten testing cycles, and help customers quickly enter the market.

One stop service experience: The one-stop service model of Tonggui Testing allows customers to enjoy convenient and efficient services from consultation to certification completion without having to rush between multiple links.

Good reputation witness: Over the years, Tonggui Testing has established a good reputation in the industry with professional services and high-quality testing results, and is a reliable partner for customers to conduct UL certification testing.