Promo Codes of Jing Herbs can help customers save $31. Log in to your account information or create a new account, select your favorite products and add them to the cart. At the same time, you can view the products you want to buy in the shopping cart. Then, click the Calculate button, and finally jump to the payment page, you will see the information of [Select your Coupon Codes], click to select the Coupons you want to use, and then return to the payment page to continue to complete the payment. Please note that used Coupons will be automatically removed from your coupon.