• const searchPopup_search_default = document.getElementById('search-default-content');const searchInput_search_default = document.getElementById('search-default-input'); // 监听实例的弹窗显示状态变化 const observer_search_default = new MutationObserver(() => {// 当弹窗从隐藏变为显示时,执行当前实例的输入框聚焦 if (searchPopup_search_default.style.display !== 'none' && !searchPopup_search_default.hidden) {searchInput_search_default.focus(); // 核心聚焦方法 // 可选:聚焦后选中输入框内内容,方便直接替换(按需开启) // searchInput_.select(); observer_search_default.disconnect(); // 聚焦一次后断开,避免重复触发 }}); // 启动当前实例的监听,仅监听自身弹窗的属性变化,各实例完全独立 observer_search_default.observe(searchPopup_search_default, {attributes: true,attributeFilter: ['style', 'hidden', 'class'] // 仅监听关键属性,性能最优 });

    News

    This page summarizes all of our news and announcements.

    2026 Spring Festival Holiday Notice

    2026 Spring Festival Holiday Notice

    Shenzhen EUTTEST Testing Technology Co. Holiday: February 15 (Lunar Lunar 28, Sunday) to 23 (the first day of the first month of the Lunar [...].

    Woman heats up frozen dumplings in microwave at work: exploring the effects of microwaves on the human body

    Woman heats up frozen dumplings in microwave at work: exploring the effects of microwaves on the human body

    Recently, a woman in Guangzhou, near the company bought a box of frozen dumplings, the results of cooking dumplings to play a new height, the girls in the company microwave heating frozen dumplings, the results of the final dumplings cooked, but also really with the same boiled. The following is based on the microwave heating...

    August 2025 Testing Partial Discharge and Isolation Voltage of Digital Isolators with the HT9464M

    August 2025 Testing Partial Discharge and Isolation Voltage of Digital Isolators with the HT9464M

    In August 2025, EUTTEST Shenzhen supplied a manual test version of the HT9464M digital isolator certification test system to a customer in Shanghai. We took some photos with the customer's permission and prepared this "...

    EMC China 2025 IME2025 18th China International Microwave and Antenna Technology Conference

    EMC China 2025 IME2025 18th China International Microwave and Antenna Technology Conference

    Exhibition Name: EMC China 2025 IME2025 The 18th Shanghai Microwave and Antenna Technology Conference; Time: October 20 - 22, 2025; Venue: Shanghai World Expo Exhibition and Convention Center (2nd Floor...

    2025 EMC-Expo Shanghai International EMC & Microwave Antenna Exhibition

    2025 EMC-Expo Shanghai International EMC & Microwave Antenna Exhibition

    Electromagnetic Safety War Escalates, Asian Technology Pioneer Shanghai Shines! 2025 EMC-Expo On November 18, 2025 EMC-Expo Shanghai International EMC and Microwave Antenna Exhibition (EMCEXPO) will be held at the Shanghai New International Expo...

    2025 Shenzhen Hi-Tech Fair Integrated Circuit Industry and Application Expo

    2025 Shenzhen Hi-Tech Fair Integrated Circuit Industry and Application Expo

    Global hardware technology giants are about to gather in Shenzhen! On November 14, 2025, the 27th Shenzhen Hi-Tech Fair Integrated Circuit Industry and Application Expo will be kicked off in the new hall of Shenzhen International Convention and Exhibition Center. As China's largest national science and technology exhibition,...

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