这句话如何翻译成英文??急 外贸英语

We cooperated very happily in the past ,so hope you can give support on price in the future.

We've cooperated very well in the past, hope you can still support us and offer us a good price.

We have very good co-operation before. Hoping you support us at good price in the future.

We cooperated very well and we are looking forward to your future support of price.

In the past between us cooperated very happily, hoped could continuein the price to give the support 差不多是这样的