Advantage:1. 5 years of product design experience and 6 years of interaction design experience;2. Rich user research experienceInformation required from customers before service:If you choose 1. Please prepare a list of questions, time limit is 30 minutes;If you choose 2.3, please provide the product background, PRD documents, and interactive documents, which can be viewed online;other:For complex projects, we can communicate first and then evaluate the time required.