As long as you pass the recruitment interview of JD.com and the HR department handles the entry procedures for you, you should be considered a formal employee of JD.com. The first step in the entry procedures is to sign a labor contract. You can carefully read the rights and obligations of both parties in the labor contract. JD.com is a large e-commerce company, which should be among the best in China. It is a good job to be able to join such a company. Work hard.