30yr old Zhongshi Caterpillar Fungus Firm, biggest in Chengdu w. 24branches in major cities across China. Pres Mr Zhong Shuangquan. Pics of Chengdu Chinese Herbal Medecine wholesale market. Most expensive YG is 360,000Y/kg for1200 worms. Worms from Nakchu area, TAR. Xray used to catch fakes or weighted w needles. They do sell other meds but 80% of income from YG. Also pics of downtown branch. Women shoppers spend 40,000Y.