最好你们能多提供一些交易资料,比如原厂发票啊,交易往来函电、信用证、国内销售单据什么的,总之资料越齐越好。
zuì hǎo nǐmen néng duō tígōng yīxiē jiāoyì zīliào ,bǐrú yuánchǎng fāpiào ā ,jiāoyì wǎnglái hándiàn 、xìnyòng zhèng 、guónèi xiāoshòu dānjù shénme de ,zǒngzhī zīliào yuè qí yuè hǎo 。
It's best that you provide information on transactions, like receipts from the original factory, correspondence on transactions, letters of credit, sales receipts from China, the more complete the information the better.