Business to Business (B2B) between enterprises. B2B is the most widely used and valued form of e-commerce. Enterprises can use the Internet or other networks to find the best partner for each transaction and complete all transactions from ordering to settlement. Its representative is Ma Yun's Alibaba e-commerce model

B2B e-commerce refers to the e-commerce activities between enterprises with enterprises as the main body. B2B e-commerce is the mainstream of e-commerce, and it is also the main method for enterprises to face fierce market competition, improve competitive conditions and establish competitive advantages. Developing e-commerce will enable enterprises to have an unlimited development space for business opportunities, which is also the only way for enterprises to survive and develop, and it can make enterprises in a more favorable position in the competition. B2B e-commerce will bring enterprises lower prices, higher productivity, lower labor costs and more business opportunities.

B2B is mainly aimed at information integration within enterprises and between enterprises (b) and upstream and downstream third parties (b), and business-to-business transactions are conducted on the Internet. The integration of supply chain (SCM) can be achieved by combining the upstream, downstream and manufacturers of the industry with Intranet and Extranet. Therefore, B2B business model can not only simplify the cost of information circulation within enterprises, but also make the transaction process between enterprises faster and reduce the cost loss.

C2C

Consumer to Consumer (C2C). C2C business platform is to provide an online trading platform for buyers and sellers, so that sellers can actively provide online auctions of goods, and buyers can choose their own goods for bidding. Its representatives are eBay and taobao.

C2C refers to the interactive trading behavior between consumers, which is changeable. For example, consumers can bid online in a bidding website or auction website, and the highest bidder wins the bid. Or consumers post notices on online news forums or BBS to sell second-hand goods, even new products, and such transactions completed due to the interaction between consumers are C2C transactions.

At present, bidding auction has become one of the most efficient methods to determine the price of rare things. For antiques, celebrity items and rare stamps, as long as the demand side is greater than the supply side, the auction mode can be used to determine the best market price. The price of auction goods rises gradually because of the comparison between buyers. Finally, the buyer who wants to buy the goods most buys the goods at the highest price, while the seller sells the goods at the highest price acceptable to the market. This is the traditional C2C bidding model.

C2C bidding website, the bidding items are diversified and unlimited, and the commodity providers can be children next door or top multinational enterprises; The goods can be homemade cakes or Picasso's original paintings. And C2C is not limited to the transaction of goods and money. In this virtual website, buyers and sellers can choose to barter things or exchange goods with human resources. For example, a housewife has prepared a banquet service in exchange for a psychological doctor's quiet journey. This is the charm of participating in online bidding transactions. The website operator is not responsible for logistics, but assists in the collection of market information and establishes a credit rating system. When buyers and sellers look at each other and discuss the delivery and payment methods by themselves, everyone can create a surprising transaction.

C2B

Consumer to Business (C2B). Usually, consumers customize products and prices according to their own needs, or actively participate in product design, production and pricing. Products and prices highlight consumers' personalized needs, and production enterprises conduct customized production.

O2O

Online to Offline e-commerce (O2O). O2O perfectly connects the Internet with ground stores through online shopping guide machines, and realizes the landing of the Internet. Let consumers enjoy offline intimate service while enjoying online preferential prices. Merlot, the leading furniture online shopping market, is the representative of China's early transformation to O2O and mature operation, and its online to offline is embodied in the dual-platform operation of online furniture network and offline experience hall.

BoB

an e-commerce mode in which products or services are traded between suppliers and purchasers through Operator. The core purpose is to help those small and medium-sized enterprises with brand awareness or channel providers have the opportunity to build their own brands and realize their own transformation and upgrading. BOB mode [2] is a brand-new e-commerce mode promoted by Pinzhong network technology. It breaks the inherent mode of e-commerce in the past and advocates the transformation from e-commerce platform to e-commerce operation, which is different from the previous business modes such as C2C, B2B, B2C and BAB. It upgrades and lands five operational functional sectors, namely brand operation, store operation, mobile operation, data operation and channel operation, in e-commerce and industrial operation.

B2Q

B2Q (Enterprise online shopping introduces quality control), English: enterprise online shopping introduces quality control, and both parties to the transaction sign an intentional transaction contract online first, and after signing the bill, an impartial third party (inspection, factory inspection and equipment debugging engineer) can be introduced according to the needs of the buyer.