the working hours of the printing house in Tianbao Development Zone are from 9 am to 8 pm. According to the relevant information, the working hours of Tianbao Development Zone printing plant are from 9: to 8: from Monday to Friday. Tianbao Development Zone Printing Factory is located in Tianbao Village, Tai 'an City, Shandong Province. Its main products are clothing signs, trademarks and wood metal printing.