橡(xiang)(xiang)膠(jiao)(jiao)(jiao)墊片(pian) 橡(xiang)(xiang)膠(jiao)(jiao)(jiao)密封墊 硅膠(jiao)(jiao)(jiao) 密封圈 橡(xiang)(xiang)膠(jiao)(jiao)(jiao)墊片(pian) 橡(xiang)(xiang)膠(jiao)(jiao)(jiao)制(zhi)品(pin)(rubber product)指以(yi)天(tian)然及合成橡(xiang)(xiang)膠(jiao)(jiao)(jiao)為原料生產各(ge)種橡(xiang)(xiang)膠(jiao)(jiao)(jiao)制(zhi)品(pin)的活動,還包(bao)括(kuo)利(li)用廢橡(xiang)(xiang)膠(jiao)(jiao)(jiao)再生產的橡(xiang)(xiang)膠(jiao)(jiao)(jiao)制(zhi)品(pin)。