First of all, Marketplace has two corporate mode, BYOL and Co-sell.
BYOL means bring your own license. Tech partners publish free products so that customers will have to purchase product license from them seperately. Marketplace will not charge any fee from Tech partners.
Co-sell means Tech vendors publish paid products, customers will purchase both product license and ECS from Alibaba Cloud Marketplace. Alibaba Cloud collects certain amount of the customer's actual payment from Tech partners as a commission, and the remaining part will paid toTech partners.