original certificate from bank for your company是什么意思

xzq123

客户说please send your company certidicate and bank account certificate.后来又说send me company introduction papers，it's good if you send letter from your bank orginal.后来又说it's better to send original certificate from bank for your company.他三次说的是同一回事吧？他是要我发什么东西给他？没看懂，求大神指教。