丽江市阀门销售J41H-16P DN65 铸钢截止阀国标铸钢WCB标准温截止阀 ¥280.00 碳钢WCB国标铸钢法兰截止阀J41H-16C 25 40C蒸汽导热油阀门截止门 ¥188.00 衬氟法兰截止阀国标/J41F46/管道衬氟截止阀/衬氟隔膜阀 ¥300.00 J41W-16P法兰截止阀中型 304不锈钢蒸汽截止阀 国标手动截止阀DN65 ¥550.00 WJ641H-16C DN125截止阀高温蒸汽导热油国标铸钢法兰截止阀 ¥580.00 开封专业生产不锈钢截止阀 J41W-16P单向截止阀 法兰国标旋塞式截止阀 ¥280.00