Tianjin Tongda Steel Limited yog ib qho ntawm cov kev tshaj lij steel chimney cov yeeb nkab tsim thiab cov chaw muag khoom hauv Suav teb, nthuav tawm los ntawm cov khoom lag luam zoo thiab cov nqi sib tw. Thov so assured mus yuav Pheej Yig Stainless Hlau chimney yeeb nkab hauv Tshuag ntawm no los ntawm peb lub hoobkas.