Job Recruitment Website - Job seeking and recruitment - Qiantu.com poster size format?

Qiantu.com poster size format?

General poster specifications: 42cm*57cm or 57cm*84cm. Promotional poster size, commercial poster size: 50cm*70cm, 57cm*84cm;

Standard poster size: 13cm*18cm, 19cm*25cm, 42cm*57cm; movie Poster size: 50cm*70cm, 57cm*84cm, 78cm*100cm.

Recruitment poster size: 90cm*120cm.