求翻译：最重要的是，关于产品的质量，你的哥哥要检查苹果的质量与我。那你为什么还担心苹果的质量，我们的老客户来自孟加拉一直是这样的付款条件。是什么意思？

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The most important thing is that, on the quality of the products, and your brother to check the quality apples with me. Then why do you have to worry that Apple's quality, and our old customers coming from Bangladesh have always been the terms of payment.

Most importantly, about the product quality, your elder brother must inspect the apple the quality and I.Why then you also did worry the apple the quality, our old customer comes from Bangladesh always is such payment condition.

The most important thing is, on the quality of the product, your brother with me to check the quality of Apple. Then why are you still worried about the quality of Apple, our customers come from Bangladesh has been the terms of payment.

正在翻译，请等待...