Roller chainShippment:1.Before putting orders, please confirm payment and different particulars with us.2.When processing order, please try delivery address, post code and tel. no. ect.3.We will arrange the shipping inside 7 working days after receiving your payment.4.In general, we are able to deliver your order collectively DHL. But if it is urgent, you would pay some extra transport fee, we are able to send you via other specific as below.Returns:1) We will refund you when you go back the goods inside 10 days of your receipt of the items for no reason.2) Returned goods mustn't ever be used or damaged.3) Buyers are chargeable for the wear or loss to the goods when it's returned. and don't get a full refund.4) Buyers are accountable for the transport commission to return the items.Freeback:Your delight and superb suggestions is very important for us. Please leave a good suggestions and five stars while you are satisfied with our products and services. We really admire that.If you've got any question.Please don't hesitate to contact with us. Thanks.