the shipping cost, then we send the sample to you, or you can arrange the express pick up the sample from our company directly.3, If you have China agent, we can send the sample to your agent.For OEM or ODM product, we will charge some sample cost, the sample cost will be calculated by our engineers, if we continue to cooperate, sample cost will be returned. Q: What kinds of payment methods do you accept?You can make the payment by bank account, Western unio or PayPal:For the order amount lowe