C235 Ding Chang's Return Journey

After two days of professional testing, the results of Qin Kai's formula came out. The characteristics of the formulas mentioned in the test report were basically the same as what Qin Kai said, and they didn't improve the harm of heroin. Zhang Youbin also received the news that it could be produced.

Even if Zhang Youbin didn't do it, there would be people who would do it