辰和橡膠-凯发app官方网站
benzene resistant tube - oil company ordered
耐苯管-中油公司訂購
dispenser tubing-(coaxial tube) gas transportation
加油機油管-（同軸皮管）汽油輸送用
oxygen tube - china steel order
氧氣管-中鋼公司訂購
acetylene pipe - china steel ordered
乙炔管-中鋼公司訂購
air rubber tube - china steel ordered
空氣橡膠管-中鋼公司訂購
stainless steel wire hose - gas conveyance
不銹鋼絲軟管-瓦斯輸送用
