YG616.5X28 has been packed with 3000 pcs, they will be shipped to you with this cargoes. The other 20000 pcs could be finished before Spring Festival, as there is no plenty time to ship to Shanghai, So we would send them to you immediately after Spring Festival.
这个应该是发给客户的,解释不能一次发货,且剩余的也需要节后才能发出去；为避免客户误解,词语上最好婉转些.不要有只有 only, 但是 but 之类的,最好让客户认为你已经尽力,是外部原因（假期）导致了你的不能及时送货等情况,希望一行对你有用~