Hangzhou Asian Games: Hangzhou Metro and Security Equipment Experts Work Together to Ensure Safety As the Hangzhou Asian Games approaches, the Hangzhou Metro system is actively upgrading its security measures to ensure the safety and comfort of its passengers. Against this backdrop, we are proud to

What are the malfunctions of X-ray baggage scanner?Many masters who are responsible for repairing the X-ray baggage scanners have not undergone professional learning. However, it is more difficult for novices to be familiar with the problems that often occur in the X-ray baggage scanners. Since X-ra