Lub qhov rooj hluav taws yog ua los ntawm lub qhov rooj ncej thiab lub qhov rooj nplooj txuas nrog hluav taws hinges, thiab lub qhov rooj ncej yog ua los ntawm nias thiab khoov steel phaj. Lub qhov rooj nplooj txais lub vaj huam sib luag uas tsis yog-combustible magnesite li lub vaj huam sib luag ob sab, thiab lub qhov rooj ncej yog ua los ntawm cov ntoo tawv tawv hauv nruab nrab. Peb yog cov chaw tsim khoom hluav taws xob pheej yig, thiab peb kuj muab cov lag luam wholesale, muag khoom thiab muag ncaj qha rau pawg neeg thov.

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