1. Treat employees: Xuzhou Huadao has very good training for employees, which enables employees to master the relevant skills of customer service in a short time, while Yin Wei is not humanized for employees.

2. Business type: Xuzhou Huadao is engaged in call center outsourcing, e-commerce, communication technology, system integration, software development and other businesses, while Yinwei has less business, so Xuzhou Huadao is good.