What happened when Jiecheng Customer Service Center called me?

jiecheng customer service center called me on business. I have handled relevant business in Gitzo Company, so this phone call is business-related. If I have never had any contact with the company, then this phone call is a fraudulent phone call. Shenzhen Jiecheng Technology Service Co., Ltd. is a commercial Internet company integrating scientific research, development, production and sales. Founded in 216, it is located in Nanshan District, Shenzhen. Its products mainly cover financial POS terminals, mobile payment terminals, smart POS terminals, code scanning payment terminals, China Unionpay Quick Pass terminals, face recognition terminals, cash registers and other rich product lines. The company cooperates with China UnionPay, UnionPay business, commercial banks, third-party payment companies and aggregate payment.