paying an unknown company

[plafontaine19]

I have to pay a company in China that I have never done business with. What happens if the equipment is not delivered to me?

[kernowlass]

@plafontaine19 

That depends on MANY factors all listed in Paypals buyer protection policy for you to read so you can risk assess your transactions.
Legal (bottom right of Paypals pages) > user agreement > buyer protection.