A brass Yong Zheng Tong Bao (雍正通寶) 1 cash coin cast from 1722–1735 AD in the "He" (河) Mint (河南寶河局), located in Kaifeng, Henan (河南) Pr… | Ancient china, Henan, Coins
About Us – Tong Zheng DDS
Yong Zheng Tong Bao coin coins unearthed - AliExpress
Yin Zheng Tong - We are very excited to announce that we... | Facebook
Ship SHANDONG ZHENG TONG (Ore Carrier) Registered in Hong Kong - Vessel details, Current position and Voyage information - IMO 9702649, MMSI 477967200, Call Sign VROD2 | AIS Marine Traffic