Shandong Sanwei Chemical Group Co., Ltd. (referred to as Sanwei Chemical) is a technology-driven, specialized chemical group company integrating chemical and petrochemical technology & product R&D, engineering technical services, and the production and sales of catalysts and basic chemical raw materials—operating under a collaborative "technology + engineering + industrial" model. Established in 1969, the company was restructured in 2004 from Qilu Petrochemical Shengli Refining Design Institute into Shandong Sanwei Petrochemical Engineering Co., Ltd.; it underwent a full transformation in 2007, becoming Shandong Sanwei Petrochemical Engineering Co., Ltd. shares. On September 8, 2010, the company successfully listed on the Shenzhen Stock Exchange. On May 17, 2021, it was renamed Shandong Sanwei Chemical Group Co., Ltd., with the stock abbreviation "Sanwei Chemical" and stock code 002469. The company’s registered capital stands at 648 million yuan.

For more than five decades, the company has remained committed to technology-driven innovation, independent R&D, and meticulous management. Actively advancing full-lifecycle services in the engineering sector, along with industrial and capital operations, we have successfully completed thousands of projects spanning industries such as petrochemicals, coal chemicals, new materials, new energy, and energy conservation and environmental protection. Our achievements extend across China, as well as regions like Southeast Asia, Central Asia, and the Middle East. We’ve delivered flawless engineering solutions to numerous Fortune 500 companies and renowned local enterprises, earning nearly 200 prestigious awards, including the National Excellent Chemical Engineering Award and the Sinopec Excellent Engineering Award. Moreover, we hold over 160 patents and proprietary technologies. Notably, our independently developed online-furnace-free sulfur recovery technology has reached international advanced standards, making us the leading domestic firm in designing and providing EPC (Engineering, Procurement, and Construction) services for sulfur recovery units. To date, we’ve completed the design and EPC of a total of 245 sulfur recovery units, with an aggregate capacity of 13.166 million tons per year. In addition, our expertise in energy-saving and environmental protection technologies—including carbon-four resource utilization, high-pressure hydrogenation, acidic water treatment, flue gas management, and wastewater treatment—has established us as a highly competitive player in these fields. As a result, we’ve been recognized as a National High-Tech Enterprise, the Shandong Provincial Enterprise Technology Center, and the Shandong Provincial Sulfur Recovery Technology Research Center.

Against the backdrop of the nation's proactive green development strategies—focused on energy conservation, environmental protection, carbon peaking, carbon neutrality, new energy, and advanced materials—the company SUNWAY Chemistry of the New Era is driving growth across its "SUNWAY Technology + SUNWAY Engineering + SUNWAY Industry" segments. By leveraging technology-driven R&D to fuel advancements in engineering and industry, it has established a development model that integrates four key chains: the industrial chain, innovation chain, capital chain, and talent chain—creating a cohesive ecosystem. This approach accelerates the company’s transformation into an internationally competitive, dual-core specialty energy technology enterprise.

The company has established a robust R&D team led by A-category experts from China’s national key talent programs, leveraging a combination of full-time and part-time professionals. It is pioneering an industry-academia-research collaboration model, focusing on developing process packages, strengthening applied research, and deepening fundamental studies—while vigorously advancing the commercialization and industrial application of its scientific breakthroughs.

Focusing on new materials, the company offers users over 30 product specifications in the catalyst field, including catalysts, hydrolysis agents, desulfurizers, and detoxifiers. Among these, the QDB series of CO-tolerant sulfur-shift catalysts, developed by its controlling subsidiary Qingdao Lianxin Catalytic Materials Co., Ltd., have reached an internationally leading level. Additionally, the company’s independently developed "Low Water/Gas Tolerant Sulfur-Shift New Process" and "Dual-High Raw Material Gas Tolerant Sulfur-Shift New Process" have filled critical gaps in the global market. Its wholly-owned subsidiary, Zibo Nuoao Chemical Co., Ltd., is the largest domestic producer of n-propanol, a leading national-scale seller of n-pentanol, and a pioneering enterprise in recovering residual liquids from butyl/octyl alcohol production. The company is deeply engaged in R&D of various advanced chemical materials, as well as manufacturing and marketing high-purity products such as n-propanal, n-propanol, isopropanol, n-butanal, isobutanal, n-butanol, n-pentanal, isopentanal, n-pentanol, isopentanol, and propyl acetate—along with refined residual products like mixed butanol, crude octanol, and C12 hydrocarbons. Meanwhile, its controlling subsidiary, Qingdao Weishi Catalytic New Materials Technology Co., Ltd., has mastered the technology for producing 50,000 tons of rare-earth rubber annually, complete with advanced catalyst formulation and production techniques. This technology has already been successfully implemented in industrial-scale production at Sichuan Petrochemical. Furthermore, its controlling subsidiary, Shandong Sanwei Longbang New Materials Technology Co., Ltd., boasts state-of-the-art technology in its 50,000-ton/year iso-octanoic acid unit project aimed at optimizing and upgrading its cellulose acetate butyrate (CAB) production line—a facility that now stands as a domestic leader in the industry.

Pioneering the new energy frontier, the company has undertaken EPC projects for China's first commercial-scale concentrating solar power plant—the 50MW Delingha trough-type CSP project by CGN—as well as the thermal storage system. Additionally, the company played a key role in designing the world’s first non-combustion compressed air energy storage power plant: the Jiangsu Jintan Salt Cavern Compressed Air Energy Storage National Demonstration Project. The company has also successfully completed the EPC project for Qingdao Refining & Chemical Company’s Qingdao Hydrogen Energy Resource Base, among other prominent hydrogen energy initiatives.

The company’s primary customer base includes China Petrochemical Corporation, China National Petroleum Corporation, China Energy Group, Datang Group, Sinochem Holdings, CNOOC Group, China National Coal Group, China General Nuclear Power Group, as well as numerous locally-based refining and chemical enterprises that boast strong financial stability and excellent creditworthiness.

The future is here—SUNWAY Chemistry will firmly seize the development opportunities presented by the nation’s “15th Five-Year Plan.” Amidst unprecedented global changes, we’ll stay true to our core values while embracing innovation, leveraging market trends to drive progress. We’re steadily advancing toward our vision of becoming an internationally recognized, dual-core energy technology company, committed to delivering the highest-quality products and services that not only satisfy our customers and reward our shareholders but also contribute positively to society. With our expertise and ingenuity, we’ll help clients and investors maximize their returns while paving the way for sustainable growth and success.

Shandong Sanwei Chemical Group Co., Ltd. (hereinafter referred to as "Sanwei Chemical") boasts over 50 years of remarkable growth—a story of relentless entrepreneurship, a history of forward-thinking reform, a journey marked by perseverance in overcoming challenges, and a testament to the power of unity and collaboration.

For over 50 years, SUNWAY Human has steadfastly pursued a path of innovation and development, leveraging strategic leadership, talent empowerment, management excellence, and cultural heritage. From its humble beginnings as a little-known design office under the factory, it has grown into a publicly listed company—and today continues to evolve, steadily advancing toward becoming an internationally recognized, dual-core energy technology firm with distinctive strengths. Along the way, the company has successfully optimized the alignment of market dynamics, capital resources, human talent, cutting-edge technology, and operational management.

The company spirit of "Precision, Innovation, Responsibility, and Harmony" empowers us to steadily accelerate our progress in advancing technological advancement and industrial civilization. From our earliest days of surveying and design to today’s diversified growth model—combining "Technology + Engineering + Industry"—Sanwei Chemical has firmly established engineering technology as the cornerstone of our business. Through relentless R&D efforts, we’ve created a new corporate development paradigm: technology drives industry growth, while industry, in turn, fuels ongoing innovation. Focusing on next-generation materials and pioneering the renewable energy sector, we’re expanding into manufacturing while continuously enhancing our service ecosystem—steadily delivering value to our customers.

Looking back on our journey so far, every step forward for Sanwei Chemical has been made possible thanks to the unwavering care and support from people across society over the years. Moving forward, we will remain steadfast in upholding our mission: "Drive technological innovation, pursue sustainable growth, and give back to society." Together, we’ll continue creating value for the community. Sanwei Chemical is eager to join hands with you—let’s seize the moment and work collaboratively to bring the beautiful vision of the Chinese Dream to life!