5 days. As of May 30, 2023, querying the website information of Henan Jince Testing Technology Service Co., Ltd. shows that the working hours of Henan Jince Testing Technology Service Co., Ltd. are from 8:30 am to 18:30 pm from Monday to Friday. We have weekends off on Saturdays and Sundays, and we don’t work on statutory holidays, so Henan Jinchei Testing Technology Service Co., Ltd. has a five-day work system. Henan Jintai Testing Technology Service Co., Ltd. has a registered capital of 10 million yuan and is located at Qinghuayuan Road, Huiji District, Zhengzhou City, Henan Province.