Ndasaina chingwe chopangira zinki chokhala ndi mphamvu zokwana matani 1300 ndi makasitomala a Shandong

Kumapeto kwa Meyi 2017, tinasaina pangano lopereka mzere woteteza chilengedwe ndi makasitomala a Shandong: 16 * 3 * 4m, mphamvu ya zinc matani 1300;