If you have free time and you also have engineer's skill which can be qualified to be offer machine's after sales service, we would like to invite you join us for after sales service in your country; You maybe need offer machine's installation service and machine's repair service to customers who are located in your country; We will offer you full technical support. If you are interested in this or hope get a part time job, please contact with us, our email address is admin@sinbon.com.hk