求一个外贸英语口语关于询盘的对话 简单一些的

hi this is **from China, we found your company ****and we want to buy ***from you company.(先介绍自己，如果知道要找的人的名字就说may i speak to ***,说明从哪里找到人家的公司的, 然后说明来意)could you plz tell me the best price that you can offer?（问价格）what about the quantity?/how much do you have?（问数量）what about the package and shipment?（包装和运输）would you plz tell me the payment term?（付款方式）