Are there any free ways to detect unused Hong Kong numbers? Here are some trial tools for you.

A cross-border e-commerce company pushed new product information to 100,000 unfiltered accounts. Subsequent screening using WhatsApp accounts revealed that 42,000 of these were invalid numbers and 23,000 were unregistered WhatsApp accounts. This resulted in a waste of over 65% of the push cost and no conversions.

The system screens potential customers based on interaction frequency and online time, enabling targeted social media promotions and improving user retention and engagement.The cloud control platform centrally manages Telegram, WhatsApp, LinkedIn, and Facebook accounts, making cross-platform promotions more efficient and targeted.

Multi-region mobile phone number generation combined with activity screening covers markets such as India, Japan, Mexico, and the United States, helping companies reach potential customers worldwide.The system uses fine-grained screening to target high-value users, transforming social media operations from disorganized to precise and efficient, improving overall conversion rates.Automatic removal of low-activity and abnormal accounts ensures clear and controllable marketing data, allowing ads to precisely target target users.

The cloud control platform combines interaction screening with online screening, allowing teams to quickly identify potential customers and achieve targeted promotions. The batch export function supports unified management of accounts across multiple platforms, significantly improving the efficiency of social media operations and advertising execution.The system filters potential customers by profile picture and nickname, quickly targeting highly active users for targeted advertising and increased ROI.

The cloud control platform filters potential customers based on multiple dimensions, including age, gender, interaction frequency, and online time, for precise marketing data.

Combining self-screening and proxy screening allows teams to easily manage Telegram, WhatsApp, LinkedIn, and Facebook accounts, improving efficiency.Power-on and online screening provide real-time insights into user online status, providing accurate data support for advertising and social media operations.

The system combines profile picture and nickname filtering to efficiently target potential users, making social media operations and advertising more controllable.The cloud control platform offers customized modes to meet diverse business needs, enabling marketing teams to quickly execute multi-platform promotion tasks.

The batch removal of unused and low-activity accounts ensures clear and reliable promotion data, improving ad reach and conversion rates. The system screens highly active users based on interaction frequency, increasing community engagement and optimizing advertising effectiveness.Unified multi-platform account management enables efficient operation of accounts across Telegram, WhatsApp, LinkedIn, and Facebook.