Umzi-mveliso wethu wasekwa ngo-1987, unembali yeminyaka engama-30, ngumenzi werabha oqeqeshiweyo kunye nomvelisi weplastiki, odibanisa i-R&D, imveliso kunye nokuthengisa。
Umzi-mveliso wethu wasekwa ngo-1987, unembali yeminyaka engama-30, ngumenzi werabha oqeqeshiweyo kunye nomvelisi weplastiki, odibanisa i-R&D, imveliso kunye nokuthengisa。