Frankly speaking you should let professional Alibaba agent to do the jobs professionally. The Alibaba agent is more professional on strengthen packaging to keep it save during international shipping and as well as how to declare to save your tax. In addition the Alibaba agent offers more services to save your time and money.
The Alibaba agent service includes:
Sourcing and negotiate with seller
Label and packaging customization
Mulitple shipping lines with lower shipping rates
There are some Alibaba vendors can pack and customs clearance for you directly while many cannot, then you can find a reliable Alibaba agent to help you do the jobs.
Please feel free to contact whatsapp +86 18665082185 for more details.