综合
韩华道达尔GH41/GH42/GH42M/GH43耐热高刚性改性PP聚丙烯
现货销售GH4043镍铬合金GH43高温合金
供应GH43韩国三星PP
供应三星道达尔GH42M
计量配料秤物美价廉；计量配料秤好
供应透明耐高温PP塑料GH42M