Ningbo LYDODO E-commerce Co., Ltd. (hereinafter referred to as "LYDD") is a core subsidiary of Beijing United Informantion Technology Co., Ltd. (603613.SH) and a multi industry Internet platform. The company focuses on B2B e-commerce transaction services for raw materials/industrial products, digital supply chain services, industrial digital services and industrial big data services, and is committed to promoting the deep integration of new technologies such as the Internet, the Internet of Things, big data, intelligent manufacturing, blockchain and traditional industries.

In the rapid development, Duoduo Grain and Oil actively integrates the existing value system of the industrial chain, works together with core enterprises, industry associations, industrial parks, government units and other resource parties in the industrial chain, and jointly promotes multi-dimensional cooperation models such as digital transaction system construction, sub terminal service system construction, digital cloud factory construction, and digital park construction. At present, Duoduoduo's main operational directions include: oil and fat industry chain, oil and fat chemical industry chain, feed industry chain, meat industry chain, agrochemical industry chain, alcohol industry chain, coffee industry chain, dairy industry chain, animal husbandry and health industry chain, and seed/seed source industry chain.

In the grain and LYDD service system, B2B e-commerce transactions mainly include: independent e-commerce, matchmaking e-commerce, cross-border e-commerce, and SaaS services. Among them, independent e-commerce mainly achieves the platform's value goals of quickly returning orders, compressing transaction links, improving procurement and sales efficiency, and helping upstream and downstream enterprises reduce costs and increase efficiency through forms such as collective procurement, group buying, bidding auctions, and industrial product live streaming; Matchmaking e-commerce is based on the platform's open plan, inviting advantageous enterprises from various industrial chains to settle on the platform. Through the construction of mature functions such as flagship stores, spot order systems, and matchmaking auctions, it helps businesses build an online marketing system for industrial products; Cross border e-commerce is a comprehensive service platform based on its own and third-party platforms, aimed at developing overseas users and conducting overseas sourcing for cooperative enterprises. It aims to promote the efficiency improvement of global industrial chain collaboration through the digitization of cross-border transactions; SaaS services are mainly based on online ordering, electronic signature online payment, cloud ERP, video authentication, cloud conference and other modules and service integration systems for e-commerce transactions, delivery, and information exchange needs.

The digital supply chain service system mainly includes cloud factories, cloud warehouses, cloud logistics, and production and finance service modules. Among them, Duoduo Cloud Factory is a deep cooperation model established with advantageous production capacity enterprises based on the platform's full industry chain operation, through three strategies: direct procurement and sales model, transparent processing fee model (OEM or OEM), and one-stop operation company model (both parties jointly establish a one-stop partnership based on cloud factories). The aim is to extend the industry chain, optimize the supply chain, and enhance the value chain to provide high cost-effective products to the market and improve the overall procurement and sales efficiency of the platform; Duoduo Cloud Warehouse is an industrial Internet platform warehousing service system built by Duoduo Grain&Oil Co., Ltd. based on third-party warehousing resources and through digital empowerment such as OMS system and WMS system. The platform divides it into category digital cloud warehouse, digital delivery warehouse, regional central warehouse, front warehouse in the park, shared warehouse in the factory area, container for warehouse, etc. according to its functions; The smart logistics system is a bulk commodity transportation network created by Guolian Cloud based on the delivery needs of multiple platforms. This system connects with Beidou positioning data through strategic cooperation, enabling real-time control of multimodal transportation location information and achieving precise positioning and real-time query of order logistics. At the same time, based on the Guolian Cloud numbering system, it can help user enterprises efficiently complete the planning of circular logistics within the factory area.

Industrial big data is based on platform transaction data and industry peripheral data capture, and is created through modeling and analysis, including product transaction indices, online production capacity query services, data analysis reports, industry research reports, and other industrial big data service systems. The aim is to create a decision-making basis center for user enterprises and provide strong support for relevant national units to accurately grasp industrial economic operation information.