We focus on mail technology

The Coremail mail system launched in 2000 which is widely used by government, enterprises and other institutions.

Company Profile

Coremail is a brand owned by Guangdong Yingshi Computer Technology Co., Ltd. We specializes in e-mail technology and services, products cover mail systems, corporate mailbox (formerly Shangyi mailbox), mail induction system, mail delivery system and overseas cloud image acceleration.?

The Coremail technical team is composed by a large number of Chinese email technicians and has accumulated lots of patented technologies over the years. Our customers cover a variety of industries such as education, real estate, automotive, electronics manufacturing, IT services, apparel and energy resources.

The Coremail Mail System was launched in 2000, is the first Chinese version mail system in China. It is a mail system that operators such as Netease have been using so far, and is also a mail system widely used by government agencies, universities, financial institutions, listed companies, and other large enterprises (including state-owned enterprises).

Coremail Corporate Mailbox (formerly Shangyi Corporate Mailbox) is safe, stable and efficient. It has personalized solutions for various industries, especially for the large and medium-sized enterprises.

The company is headquartered in Guangzhou and has branches in Beijing, Shanghai, Wuhan, Chengdu, Xi'an, Jinan, Shenyang, Hangzhou and Xiamen.


Love you and me, love is around, Coremail has been enthusiastic about charity activities. In recent years, it has launched a series of charitable activities to donate money, care for autistic children, cochlear and other vulnerable groups, hoping to bring warmth to them. Help, this has become one of the company's corporate culture.