Contact us at: customerservice@healthybeijing.com  

                          Phone: 610-955-6526

                          Address: 1320 Putnam Blvd Wallingford PA 19086

  If the guide is faulty in anyway we will give you a full refund on the product.

  Physical shipping does not pertain to our product since it is only in a downloadable pdf format. If you experience any problem with your download please contact us at customerservice@healthybeijing.com.