The most common B2B ecommerce trading sites can include Lazada, Tiki, Adayroi, Shopee, etc. in Vietnam market, etc. and Amazon, Taobao, Alibaba, Ebay, etc. in other countries. Any business that needs to sell goods can go to the sites and also those who want to buy. It is the trading activity under the auspices of the exchange, so fraud and fraud are very unlikely, bringing openness and transparency. The next popular B2B model is the one that specializes in distributing goods, in simple words, wholesale. This model is more popular in fashion and apparel industries, with many websites selling wholesale clothes all over the country. It can be considered almost a wholesale market like an offline business model in the traditional way. Shops and small shop owners across the country will go to the site of that garment factory, select products, quantity books, prices and then proceed to pay for the order. Almost every industry has an ecommerce website like this. This can be considered the most popular B2B model in Vietnam today, than the intermediate B2B model. Because the psychology of the business when they often want to contact, meet their customers directly rather than coming through a third party.