The client is a Suzhou-based enterprise in the semiconductor industry. They deploy ZENZISS call terminals together with a standard Andon software system: when the production department detects an abnormality, it uses the Andon call device to request equipment maintenance, while on-site audible and visual alarms receive the call and feed back the resolution. Project highlights: a customized smart button-trigger program for error-proof operation, plus recording of production staff shift start/end actions to provide data support for employee performance evaluation.