Yes, the book you asked about is called Yellow Pages, also called telephone directory and enterprise telephone directory. Generally, it is published by China Telecom or China Unicom, and some information companies publish it, but it is rare. If you want to buy it, it is better to buy the genuine yellow pages published by China Telecom or China Unicom, because China Telecom and China Unicom now have the right to operate fixed telephones in China and have the business of publishing yellow pages. The data in China Telecom Yellow Pages and China Unicom Yellow Pages are accurate, complete, classified and in line with international standards. Basically, yellow pages are published in every city. Generally, China Unicom, a province and city north of the Yangtze River, publishes yellow pages in all cities. The provinces and cities in the north of the Yangtze River published by China Unicom Yellow Pages are: Beijing, Gansu, Shaanxi, Shanxi, Henan, Hebei, Shandong, Liaoning, Jilin, Heilongjiang, Inner Mongolia, etc ... The provinces and cities in the south of the Yangtze River, China Telecom, will publish the Yellow Pages of all cities. The provinces to the south of the Yangtze River are: Guangdong, Guangxi, Fujian, Jiangxi, Jiangsu, Shanghai, Zhejiang, Hunan, Hubei, Sichuan, Chongqing, Tibet, Yunnan, Hainan, Taiwan Province, Hong Kong, Macau, etc ...

Because the yellow pages are not sold in large quantities, ordinary bookstores and business halls are not sold. If you want to buy them, please contact me by mail order. I have yellow pages for sale everywhere. Look at my personal information to find my contact information. The approximate price of yellow pages is between 51 yuan and 411 yuan, depending on the number and thickness of yellow pages.