英语翻译你不必担心销售问题.这个货在中国很流行.关于XXXX产品我在英国已经有供应商,做个20多个 invoice.我了

You don't have to worry about sales.The goods is very popular in China.I have already had a supplier in UK about XXXX products and made more than 20 invoices.Besides,I know the basic price.I will add the last payment for goods on each invoice.Please give me the best price.
语法,用法都基本没问题