A local Chinatown community leader who the feds say ran a secret Chinese “police station” out of a nondescript Manhattan office building was found guilty Wednesday of acting as an illegal foreign agent. “Harry” Lu Jianwang was convicted after evidence revealed his dealings with China’s Ministry of Public Security — which ordered him to hang a banner inside the glass-clad building at 107 East Broadway proudly announcing that the site was a “Police Overseas Service Station” for China’s Fujian province. A Chinese security official also urged Lu, 64, to help track a prominent US-based pro-democracy dissident in March 2022, just a month after Lu established the “station” inside the Manhattan headquarters of the America Changle Association, which advocates for Fujian immigrants. “Harry” Lu Jianwang was found guilty of acting as an illegal foreign agent for China. Gregory P.…