Hebei Qinghe Zhongrun rubber and plastic products factory, our co***ny is the production of all kinds of EPDM dense rubber sealing strip, sponge rubber sealing strip, steel core dense sponge composite rubber sealing strip, decorative rubber sealing strip, building rubber sealing strip, plastic steel door and window, glass curtain wall sealant strip, container sealant strip, refrigerated door sealant strip, automobile, train, ship door and window sealant strip , rubber and plastic sealant strip, househol...
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