The manufactured ethylene propylene diene porous elastic composite sealing gasket adopts raw materials having no poison, harm and pollution and having long service life of products.
所获得的三元乙丙多孔弹性复合密封垫，产品使用的原料无毒、无害、无污染、产品使用寿命长。
The manufactured ethylene propylene diene porous elastic composite sealing gasket adopts raw materials having no poison, harm and pollution and having long service life of products.
所获得的三元乙丙多孔弹性复合密封垫，产品使用的原料无毒、无害、无污染、产品使用寿命长。
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