佰利乐

????? ??? ?? ?? insulated flange globe valve BJ41H

????? ??? ??? ?? insulated flange RS gate valve BZ41H

????? ??? ? ?? insulated Uni-body valve BQ41F

??? ????? ?? ?? ??? ? ?? flange s.s HT ball valve QJ41M-16

??? ?? ??? ? ?? flange HT ball valve QJ341M-16

??? ??? ?? ??? ? ?? flange c.s HT ball valve QJ41M-16 280 ℃/150 ℃