all products of our factory are factory direct sales wholesale price, only earning a little gross profit, so all products are not free shipping, please forgive me! But we will contact the long-term courier and freight companies to give you discount the price. The postage of this series of products is calculated based on the product weight. The postage is different due to different specifications and weights of each product. Please contact customer service to calculate and modify the accurate freight after ordering the product, you can also consult customer service to choose the appropriate logistics method according to the weight and volume of the goods you choose. Thank you!