A staff member shows a millimeter-wave sign monitor which can be checked on cellphone at Tianjin Xiaocheng Group Co., Ltd in Tianjin, north China, April 18, 2025. In recent years, a batch of digital technology-based companies have fostered their development at a digital economy industrial park in Tianjin, injecting impetus into the high-quality development of local economy. (Xinhua/Sun Fanyue)