C75

When it came to security, Chiang Kaiwen thought of Yan Chenghan.

Their base's soldiers were genuine soldiers, and a retired weapons specialist would definitely not be inferior to them. Even if it wasn't their base, the retired special forces were also a good choice.

Chiang Kaiwen dialed Yan Chenghan's number.

However, after ringing for a moment, a familiar magnetic voice came over the receiver