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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寿光市|
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和田市|
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大化|
陆河县|
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冀州市|
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英超|
扶沟县|
岫岩|
芦溪县|
宝坻区|
太和县|
峡江县|
淮北市|