Intengo Yesulphur Black yehle ekuqaleni kwaleli sonto, ngenxa yokukhululeka kokushoda okukhulu kwempahla eluhlaza.Ukwehliswa okunjalo kungase kubhekwe njengenguquko yokukhuphuka kwentengo okuqhubekayo okumba eqolo phakathi nezinyanga ezimbalwa ezedlule.

I-TIANJIN LEADING ihlale ilapha ihlinzeka ngamanani ancintisanayo ekhwalithi ephezulu Sulphur Black kumakhasimende ethu.