How often does Hu's electronics factory change shifts?

A month. According to the website of Hu Electronics Co., Ltd., Hu Electronics Co., Ltd. implements three shifts, from 8:00 am to 4: 00 pm, from 4: 00 pm to 8: 00 am, and in the evening 1 shift. Three shifts work less overtime. Hu electronics co., ltd was established in April, 1992. It is a high-tech enterprise based on R&D that designs and manufactures printed circuit boards.