Specific address: from the road in front of the south gate of the Botanical Garden to the west, cross the two traffic lights of Xiqi Road West Eighth Road to the north gate of Ceramic Science and Technology City.
Take a closer look. There is a big glass door facing west and east. There is a sign in front of the technical supervision bureau. You can go straight to the second floor after entering the door.
If 50 yuan can't wait for the certificate, it won't cost you money just to show it to you.