How long does it take to develop an internship certificate for Zhang 'an Dongguan Great Wall?

Three months. Generally, it takes three months or even longer for the development of the Great Wall in Dongguan to start an internship and issue an internship certificate, but sometimes it may take a little longer. But if you need it badly after a period of internship in the company, the company will stamp your internship certificate. There are no certain rules, it depends on the regulations of each company or other needs, and it depends on the coordination and communication between interns and companies.