料神好~我是小白一枚。我们经营铁路紧固件的。最近一直在研究大神们的开发信技能。回复率很低。不知道大神有什么建议~ To XX/XXXvendor-railway fastening --ZBRF China Hi XXX, How are you doing! Glad to hear that you’re on the railway market. XXX from XXX (ZBRF) China. Vendor of XXX XXX XXX Please feel free to contact us. Catalog & sampl