Nowadays, many companies do business with partner companies from China. I dont think its difficult to organize. The main thing is that you have contracts executed in accordance with the law
Any import of goods to the United States must go through customs. I recommend that you contact the Clearit USA customs broker https://clearitusa.com/customs-consulting/
Clearit USA has a team of qualified U.S. Customs Consultants who can help you.
You can be sure that with Clearit USA your goods will be fully legalized in accordance with government requirements, taxes will be paid, etc. And you will be able to receive goods for your store