all products of our factory are wholesale prices of factory direct sales, only earning a little gross profit, so all products are not free shipping, please forgive me! However, we will contact the long-term cooperation Express and freight companies to give you preferential prices. 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!