SUMEC TOUCH WORLD

        This tester is a handheld, battery-powered audio impedance precision measuring instrument specially designed for impedance testing of various audio equipment. The product is simple to operate and easy to carry, and can be widely used in impedance measurement of speakers, sound amplification systems, home theater and commercial audio systems. This instrument is both practical and economical in the field of audio impedance testing, and is an ideal tool in the fields of audio engineering, equipment maintenance and audio system installation and debugging.

Zhangzhou Eastern Technology Group, established in 1993, has been guided by the business philosophy of “Technology, Innovation, and Humanity.” It owns internationally renowned brands such as E-SUN and all-sun, and holds over 200 international and domestic patents, maintaining a leading position in technology and product development within the industry.

The group operates provincial-level industrial design centers, provincial engineering technology R&D centers, and provincial innovation centers. It is dedicated to independent R&D and continuous innovation, integrating diverse sensor application technologies, IoT and cloud technologies, non-destructive measurement technologies, digital signal acquisition and processing technologies, and more. These efforts enable the creation of a richer and higher-quality product portfolio.

Mastering core technologies, Zhangzhou Eastern Technology Group has built internationally renowned instrument brands, providing excellent and intelligent measurement and testing instruments to users in over 70 countries and regions worldwide. It has become the preferred strategic partner for OEM and ODM services among internationally famous brand owners and manufacturers.

| 1993 | Eastern Technology Group was established in Zhangzhou, specializing in the manufacturing of instruments, meters, and metal detectors.
| 2000 | Obtained ISO9001 International Quality System Certification and was recognized as a "High-Tech Enterprise of Fujian Province."
| 2003 | Eastern Technology Group once again received ISO9001 certification, consolidating its position in quality management.
| 2005 | Established Eastern Technology Group, located in the Jinfeng Industrial Zone of Zhangzhou City.
| 2008 | Recognized as a "National High-Tech Enterprise," with products passing international quality certifications such as UL and GS.
| 2011 | Relocated to a new factory, with the Eastern Technology Industrial Park becoming operational, covering an area of 720,000 square feet.
| 2013 | The number of employees reached 900, and the factory's production capacity reached 500,000 units per month.
| 2015 | Eastern Technology Group passed the BSCI audit and TUV audit.
| 2016 | Eastern Technology Group continued to increase investment in research and development, driving product technology upgrades, and owned over 200 independent intellectual properties.
| 2017 | Eastern Technology Group was awarded the "Economic Construction Contribution Award" and "Major Taxpayer" honorary title by Zhangzhou City.
| 2018 | Eastern Technology Group was recognized as a Fujian Provincial Service-Oriented Manufacturing Demonstration Enterprise.
| 2020 | Eastern Technology Group passed the ISO14000 International Environmental Management System Certification and was awarded the "Export Commodity Brand" title.
| 2021 | During the outbreak of COVID-19 in China, Eastern Technology Group donated epidemic prevention equipment to support the frontline efforts, providing free infrared human thermometers to multiple         epidemic prevention units, offering reliable equipment support for frontline workers.
| 2022 | Eastern Technology Group was recognized as a "Fujian Provincial Key Cultivation and Development International Famous Brand."
| 2023 | Eastern Technology Group was granted the provincial "Postdoctoral Innovation Practice Base" and recognized as a 2023 Zhangzhou Industrial Leading Enterprise.
| 2024 | Eastern Technology Group was awarded the "National Industrial Design Center" title, representing the strongest innovation capability and *advanced level of industrial design in China.

Zhangzhou Eastern Technology Group is a national high-tech enterprise focused on R & D, manufacture and sales of test & measurement instruments and security equipments. The company was set up in 1993, with operation principle of "technology, innovation & humanity", it focuses on the resources advantages, brings in advanced technology and management concepts, and has undertaken and completed more than 20 national, provincial and municipal planning projects. It is a large-scale manufacturing enterprise of instruments in China.

Eastern Technology Group has a large production base of more than 6.67 ha in Fujian - Eastern Technology Industrial Park. The park has normative scientific research laboratory, with high-precision test sources, all kinds of testers and other advanced professional equipments. It established quality management and control system by the standard of ISO9001 quality system, with a self-supporting production system， and intelligent automatic production lines in the assembly center, which are the solid foundation for the Group to become the leader of test and measurement instrument industry in China.

Eastern Technology Group master the core technology, create international famous instrument brands, provide excellent, intelligent test and measurement instruments to more than 70 countries worldwide, become the preferred OEM & ODM partner for the international well-known brands and manufacturers.