How much is it together with the air freight charge to Japan?

加上到日本的航空运费一共多少钱？

Their fees payable by the shipper is a straight freight charge.

托运人向其支付的运费是固定的。

Note: The Yiwu area freight charge, other local transport expense from pay. Thanks!

注：义乌市地区包运费，其他地区运费自付。谢谢！

Moreover, you have to make the shipment by air freight instead of original sea freight and assume the difference of freight charge.

而且你方必须改用空运发货并负担和海运的费差。

The above unit price is our company's producer price (not contain tax), our company can send goods for you, not contain freight charge.

以上单价是本公司出厂价(不含税)本公司可代为发货，不承担运费。