Membership system: union fees: in terms of single-store membership fees, the a-city membership fee is 30,000 yuan and the guarantee is 20,000 yuan; the b-city membership fee is 20,000 yuan and the guarantee is 20,000 yuan for five years. In terms of the costs of the association of regional agents, the a-city union is paid $120,000 and the guarantee is $80,000; the b-city union is paid $80,000 and the guarantee is paid $50,000 for a period of more than five years. Supporting policy: doctoral stationery provides comprehensive association support, including equipment donations (pre-ordering 30,000 bulk kits, offering one full-automatic equipment, one ink equipment and eight assistive tools), technical training (placement of technical staff to attend the door and learn to assemble in about an hour), long-term tracking services (free door-to-door, installation, training techniques, free door-to-door maintenance, ink-filling, life-long warranties for mechanical equipment, replacement of u...