Chambroad upholds the concept of win-win cooperation and actively explores a long-term cooperation mechanism to promote resource sharing and supplier responsibility.

Chambroad builds business culture with integrity and altruism.
Chambroad has built a supplier system consisting of a reserve supplier library, a high-quality supplier library, and a strategic supplier library, improving the quality of supply and demand services for strategic integration.N+3+1" Supplier System:"N" refers to a number of qualified reserve suppliers; "3" refers to high-quality suppliers under long-term and stable cooperation; and "1" refers to strategic suppliers having similar corporate culture and multi-dimensional collaboration with Chambroad, including resource sharing, R&D cooperation, and market integration.Supplier Selection: From buy-oriented to use-oriented procurement, Chambroad builds and introduces standard libraries, innovating cooperation models for a harmonious and upright procurement environment. In addition to procurement value, environmental friendliness and responsibility for employees serve as primary criteria to select responsible suppliers.Supplier Evaluation: According to "Chambroad Index", Chambroad conducts multi-dimensional comprehensive evaluations, then classifying suppliers. In addition, the number of insured employees has been identified as a supplier evaluation indicator to enhance suppliers' awareness of fulfilling their responsibilities.Supplier Elimination: Chambroad takes measures such as supplier review, blacklisting, elimination, and replacement to improve supplier quality comprehensively. Poorly performing suppliers with a Chambroad Index lower than 60 during the year will be eliminated.

Sunshine Procurement
Chambroad insists on ethical procurement practices, embedding the principles of fairness, justice, and transparency into our procurement management system. We emphasize cultivating a culture of transparency and integrity among our employees and suppliers to ensure a clear and transparent procurement process.Sunshine Procurement:An online electronic procurement platform has been established to facilitate an open, transparent, legal and compliant procurement process through the visualization of online sourcing, inspection, inquiry, negotiation and all other steps.Preventing Commercial Corruption:Through IT means such as a supplier management system, suppliers are subject to performance management, price management, fund settlement management and other procedures, so that all transactions with suppliers are put under transparent supervision, eliminating corruption and frauds in all forms.

Grow with Suppliers
Build a Supply Chain Integration Alliance:Chambroad is an open platform willing to share scenarios, research topics, share resources, and output industry solutions with partners. Focusing on five dimensions: Investment and financing cooperation, industrial chain extension, resource expansion, industry-finance integration, and innovation of business models, Chambroad has carried out 106 financial innovation projects with partners, achieving a scale of 3.977 billion yuan in industrial financial innovation.Establish E-Commerce Platform:Chambroad has built an MRO O2O+B2B e-commerce platform for industrial products – Chambroad E-Commerce Platform (Jbyunshang.com), with a focus on bulk raw materials for the manufacturing industry and spare parts required for maintenance, repair and operations. Through the combination of offline stores and online e-commerce, the Group has developed a resource sharing ecosystem that benefits both upstream suppliers and downstream customers.Integration and Co-Creation:1. SDIC Oil & Gas Terminal Yangpu Co., Ltd., SDIC (Yangpu) Oil Reserve Co., Ltd. and Chambroad (Hainan) Advanced Material Co., Ltd. have reached partnership on a terminal and warehousing cooperation project. After being put into operation, the project will greatly increase the throughput of terminals and warehousing and attract top-notch upstream and downstream enterprises at home and abroad to Yangpu. This is anticipated to boost domestic and foreign trade, promote the "dual circulation", and enhance coordinated use of markets and resources on both domestic and international fronts. By doing so, Chambroad hopes to help establish a distribution base for the import and export trade of bulk commodities in addition to gaining experience in the attempt to develop new offshore trade models for bulk commodities.2. Chambroad (Hainan) Advanced Material CO., Ltd is determined to unswervingly seize strategic opportunities and establish close partnerships with Hainan International Energy Exchange, thereby deepening reforms, stimulating new vitality in the province, and contributing to the construction of Hainan Free Trade Port and the integrated development of Danzhou and Yangpu.3. Shanghai Pudong Development Bank Shandong Branch and Chambroad Holding Group have inked a strategic cooperation agreement to fortify their ties, leverage each other's resources and advantages and produce win-win outcomes. The agreement has expanded the cooperation between the bank and the business, marking a new step toward their win-win cooperation.

Chain Master Enterprise
As the "master" of the C4 industrial chain, Chambroad Petrochemicals steadfastly adheres to the principles of "integrity and altruism" in its business operations. In full alignment with government initiatives, the company unequivocally takes on the responsibility of "stringing beads into a chain and linking chains to build bridges". Chambroad is dedicated to "reinforcing, integrating, and extending" the industry chain, striving to enhance the collaborative dynamics within the industry, thereby increasing the stability and competitiveness of the industrial ecosystem and fostering high-quality development across the entire chain.Build a New Ecosystem for Industrial Development: Chambroad has launched a number of projects such as " liquefied gasbutene-polyolefin resin " and "butene/carbonylation-alcohol/acid oxygenated chemicals" to strengthen advantages of the C4 industrial chain and make up for its shortcomings. Meanwhile, we have gathered fill-in-the-blank businesses, supplementary projects, and talents in shortage to systematically optimize the product structure and project distribution among enterprises. The purpose is to ensure an independent, controllable, stable and efficient industrial chain, and assist the healthy development of emerging industries such as energy, advanced chemical materials, and fine chemicals.Tackl Core Technological Challenges Through Collaborative Efforts: Focusing on technologies urgently needed for industrial development as well as absent technologies, we have brought together enterprises, universities, and research institutes to promote the efficient conversion and application of scientific and technological innovation results and speed up industrial transformation and upgrading. Chambroad Petrochemicals has pooled resources from upstream and downstream of the industry to launch China's first demonstration project on transbutadiene rubber, high-performance emulsifier and PB-A facilities, which serves as a strong foundation for the design of highquality development routes for the C4 industry. At the same time, the project has promoted the co-development and sharing of innovation resources such as equipment, software, and talents among industries, universities, and research institutes to unleash innovation potential.Work Together to Fold New Chapter for High-Quality Development of C4 Industrial Chain: In March 2022, Chambroad Petrochemicals held the Forum on High-End Chemical (C4) Industrial Chain Integration and Solidification in Shandong Province at the Chambroad N1N Collaborative Innovation Institute. The event attracted 22 C4 industry upstream and downstream enterprises that use special and sophisticated technologies to produce novel and unique products, alongside 10 investment and financing institutions and universities. With over 30 cooperation intentions reached on the occasion, the event has boosted the healthy development of the C4 industrial chain.