The iron door was very thick, with excellent soundproofing. He could hardly hear a thing.
He Chenguang pulled a set of miniature wiretapping equipment out of his backpack. This was something he had specifically prepared before setting off, just in case. He carefully attached the listening device to the iron door and put on his headphones. After a burst of static, two men's voices came through clearly.
"Mr. Jiang, I have you to thank for this whole matter," Qi Haotian said with a trace of flattery in his voice.
Chapter 289