Does anyone know who wrote the words "China Telecom" on the calling card?

Xiding, China painter and painter, is a national first-class artist. Originally from Qionglai, Sichuan, I graduated from Chengdu Art Institute (predecessor of sichuan fine arts institute). Former Vice Chairman of Shaanxi Branch of China Artists Association, now living in Beijing, claiming to be "searching for no food". Member of China Artists Association and China Book Association. He is employed by the Ministry of Culture of China, the judge of the 6th and 7th National Art Exhibition of China Artists Association, the member of Shaanxi Federation of Literary and Art Circles, the judge of senior titles, the visiting professor of Zhengzhou University, the editorial board member and the volume editor of Shaanxi People's Fine Arts Publishing House.

His works have participated in the 6th, 7th, 8th National Art Exhibition, National Youth Art Exhibition, National Popular Science Art Exhibition and other national art exhibitions for many times, and have been exhibited in Japan, Singapore and Hong Kong, and have been collected by exhibition halls, galleries and individuals in China Yanhuang Art Museum, the United States, Britain, France, Germany, Italy, South Korea, Singapore, Belgium, the Netherlands, Taiwan Province Province and Hong Kong.

Xijing Hotel, Xi Municipal Government Hotel, a long propylene scroll with a length of 25 meters and a height of 2.2 meters, Chang 'an Bao.

Write titles for China Telecom, Beijing TV Today's Topic, Asia-Pacific Business Aviation, Great Ship Oriental and Galaxy Fund. His deeds have been included in many dictionaries at home and abroad, such as Dictionary of Contemporary Artists and Cambridge International Biography Dictionary.

He wrote China Telecom, and this logo was designed for his son Chen Dan.