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      輸配水密封橡膠制品

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      O型圈

        HONGLI is China´s leading manufacturer of O-rings for Pre-stressed Concrete Cylinder pipes, being responsive to customer requirements, we have developed various types of O-rings for drinking water and dirty-water supplying.
        Perform Standard:JC748
        Size:DN100~DN4000
        Material:NR/NBR

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