Nothing surprising. The People's Republic China has least regard for data and privacy of their own citizen, they cannot respect the same for others. China doesn't respect sovereignty and borders of the countries. They do not honour any governmental agreements. Under CCP and Xi Jinping, China has become an imperialist state. There is no doubt that China today has emerged as biggest threat to the world peace. The Zhenhua data leak is just one of the proofs for China apologists. There are many more. recently a Chinese virologist claimed that coronavirus as engineered in a lab in Wuhan.
Platforms such as apollo.io provide similar services. They also include data of residents and citizens of EU countries, which is subject to the GDPR, but since apollo.io is not based in the EU, no legal action can be taken. Such services are creepy, but let's not pretend they don't exist in the West. And since it was built with public data and web scraping of social networks, it must be assumed that any significant secret service has similar databases.