How old is the field production manager?

25 to 40 years old. On-site production manager is a common recruitment position in the construction industry, aged between 25 and 40. Employees need to have relevant professional learning experience, hold relevant qualification certificates and understand relevant laws and regulations. Construction site, known as construction site and construction site in Cantonese, is referred to as construction site for short. This is a place where building projects and civil engineering are being developed.