Investor Relations Activity Log – May 16, 2025

Investor Relations Activity Categories

● Targeted Audience Research         □ Analyst Conference

□ Media Interview             □ Performance Briefing

□ Press Conference           □ Roadshow Event

□ On-site visit

□ Other ( Please provide a written description of the other activities.

Names of Participating Organizations and Personnel

Tianfeng Securities: Bao Rongfu, Ren Jiayu, Wang Tao

Cathay Hai Tong Securities: Wang Ruijian

Guosheng Securities: Zhang Tianyi

BOC International Securities: Xu Zhongliang

Huafu Securities: Han Guangzhi

Yuanlesheng Asset: Lin Hao

Charter Funds: Li Xiangan

Nie Feng Private Equity Fund: Liu Wei

E Fund Management: He Jinyang

Time

2025 Year 5 Month 16 Day

Location

3D Chemistry Company Headquarters

Name of the Receiving Personnel from the Listed Company

Board Secretary: Mr. Zhang Jun

Introduction to the Main Activities of Investor Relations

I. Introduction to the Company's Basic Information

The company is a comprehensive enterprise integrating chemical and petrochemical technology and product R&D, engineering technical services, as well as the production and sales of catalysts and basic chemical raw materials. “ Technology + Engineering + Industrial enterprise ” A technology-driven, specialty chemical group company that promotes mutually reinforcing and collaborative development. Its primary businesses include engineering services, chemical operations, and catalyst solutions.

The company’s engineering business primarily serves clients in the chemical and petrochemical industries, while actively transforming and expanding into the new energy market. Renowned for its expertise in environmental protection, the company has been committed for years to providing customers with comprehensive, one-stop engineering services spanning the entire lifecycle—ranging from engineering consulting and design to engineering general contracting, project start-up, and post-commissioning maintenance. Currently, it is the domestic leader in designing and undertaking general contracting for sulfur recovery units.

Currently, the company is the largest n-propanol producer in China, a leading domestic enterprise specializing in butanol and octanol residue recovery, and a prominent n-pentanol sales company. During the reporting period, the company has primarily focused on the research and development of various advanced chemical materials, as well as certain other areas. C3、C4、C5、C8 Production and sales of alcohols (including aldehydes and acids), as well as products such as n-propyl acetate, butyl acetate cellulose, and their derivatives. The company's products are widely used across multiple industries and fields, including pharmaceuticals, agrochemicals, dyes, pigments, coatings, chemical reagents and high-purity substances, food additives, catalysts, surfactants, fragrances, and more.

The company is a domestically influential provider of sulfur-resistant shift process technologies and catalyst products. During the reporting period, the company primarily focused on the research and development of various new chemical processes and innovative catalysts, as well as QDB Series of sulfur-resistant shift catalysts, QLS 、 QSR Series of sulfur recovery catalysts, QSJ Series of hydrolysis agents, QTD 、 QZH Production and sales of a series of products including detoxifiers, desulfurizers, and rare-earth rubber catalysts. Among these, QDB The series of sulfur-resistant shift catalysts boasts comprehensive performance that is internationally leading. The company's products are primarily used in shift processes, sulfur recovery processes, rare-earth rubber production processes, and more.

II. What are the company's main technological advantages?

In the field of engineering, as “ Sulfur Recovery Expert ” , the company's independently developed “ Online Furnace-Free Sulfur Recovery Technology ” Achieve domestically leading and internationally advanced standards; “ Acid Gas Sulfur Recovery and Ultra-Low Emission Technology & Applications for Flue Gas Purification ” The achievement has been evaluated and approved by the China Petroleum and Chemical Industry Federation, concluding that it is generally at an internationally leading level. As stated in the company's document, 2024 Disclosure of relevant chapters in the Annual Report, as of 2024 Year 12 Month 31 Day by day, the company has cumulatively completed the design and general contracting of various sulfur recovery units. 240 Set, total installation capacity 1283 Ten thousand tons / This year, the company has designed and undertaken the largest number of sulfur recovery units in China as a general contractor. Meanwhile, the company boasts strong market competitiveness in energy-saving and environmental protection engineering fields such as comprehensive utilization of C4 resources, high-pressure hydrogenation, acidic water vapor treatment, flue gas management, and wastewater treatment. Additionally, through project implementation in emerging energy sectors like hydrogen energy, molten salt energy storage, and compressed air energy storage, the company has accumulated extensive practical experience. In the chemical industry, the company holds independent intellectual property rights over carbonyl synthesis technology essential for synthesizing n-propanal and n-valeraldehyde, as well as technologies for recovering residual liquids from butanol-octanol production and for aldehyde hydrogenation. Furthermore, the company masters production techniques for propionic acid (including butyric and pentanoic acids), isooctanoic acid, and cellulose acetobutyrate, placing it at the forefront of the industry. In the catalyst field, the company has developed an internationally advanced low-water-gas-ratio sulfur-tolerant shift process along with its corresponding catalyst, achieving an annual production capacity of... 5 Million-ton rare-earth rubber technology and catalyst formulation production techniques, along with technical services such as process packages and patented equipment.

The company places great emphasis on enhancing its R&D capabilities and technological strength. Through strategies such as talent development, recruitment, and collaboration, it has assembled a high-caliber technical team with a global perspective. As a result, the company’s technology-focused division is already beginning to yield significant results. Moving forward, the company will fully leverage the engineering division’s pivotal role in bridging the gap between upstream and downstream operations, exploring efficient synergy mechanisms that connect seamlessly with both the technology and industrial sectors. This approach will help establish a closed-loop system integrating R&D, engineering implementation, and industrial operations. By building on these unique strengths, the company is committed to becoming a leader in resource-efficient, technologically differentiated, and premium-quality product offerings. “ Value Enterprise ”。

III. Introduce the company's engineering business 2025 Order situation for the first quarter of the year

2025 In the first quarter of the year, the company secured new orders worth amounts in both engineering consulting & design and general contracting categories. 30,232.80 Ten thousand yuan. As of 2025 Year 3 Month 31 Day, the company's engineering business has accumulated signed but uncompleted order amounts. 167,064.56 Tens of thousands of yuan are tied up in unfinished engineering projects, primarily at Northern HuaJin United Petrochemical Co., Ltd. “ Turnkey EPC Contract for Sulfur Recovery Unit, Acidic Water Stripping Unit, and Solvent Regeneration Unit in the Fine Chemicals and Raw Materials Engineering Project EPC ） ” Sinopec (Tianjin) Petrochemical Co., Ltd. “ Tianjin Branch ‘ Oil Conversion ’ Newly Built Technical Renovation Project 15 Ten thousand tons / Annual Sulfur Recovery Unit and Supporting Project Engineering, Procurement, and Construction Turnkey Contract EPC ） ” Qilu Branch Refinery Oil Tank Area Safety Hazard Remediation Project EPC Qingdao Refining & Chemical Company's Liquefied Gas Safety Enhancement (Maleic Anhydride) Project, Section 2 EPC 、 Xinjiang Tianchi Energy Co., Ltd. – Jungdong 20 Billion cubic meters / Annual coal-to-natural-gas project—Procurement and service package for low-methane cascade refrigeration compressor equipment, as well as the turnkey EPC contract for the sulfur recovery unit in the Guoneng Baotou Coal Chemical Co., Ltd.'s Baotou Chemical Shenhua Baotou Coal-to-Olefins Upgrade Demonstration Project. EPC Lianyungang Sheng'ao Polymer Additive Project (Phase I) 6.7 10,000-ton-per-year sulfur recovery unit EPC A large number of general contracting or design projects, as well as long-term service framework agreement units for inspection, maintenance, technical upgrades, and improvement initiatives, ensure a robust order backlog. For detailed information, please refer to the company's latest reports. 2025 Year 4 Month 17 Today in the *China Securities Journal*, the *Securities Times*, and on Juchao Information Network ( http://www.cninfo.com.cn ）disclosed in the 2025 Brief Report on the First Quarter Performance of Civil Engineering and Construction Business.

4. The company has substantial cash reserves and a low debt-to-asset ratio. Does it have any expansion plans for the future?

Currently, the company has ample cash on hand, which to some extent can meet the funding needs for its current business development. On one hand, the company will fully leverage its integrated “ Professional technical services, catalyst R&D and production, as well as chemical product manufacturing and sales ” Integrated into one “ Technology + Engineering + Industrial enterprise ” Through continuous optimization and improvement, we maintain the advanced nature of our equipment, steadily enhance production efficiency, and actively expand into downstream fine chemical products, striving to achieve breakthroughs in high-value-added offerings. Meanwhile, the company is also proactively exploring opportunities for external expansion, making careful decisions and implementing strategies with a scientific approach.

5. How does the company share development achievements with shareholders and deliver investment returns?

A company's steady growth is the top priority, the company Will revolve around “ Empower, Collaborate, Extend the Chain, Create Value ” Four key development keywords, fully implemented “ Optimize cost reduction, improve quality, and enhance efficiency—driving innovation, breaking barriers, and fostering coordinated development. ” Our work strategy is rooted in the chemical and energy industries, leveraging technology to drive innovation and capital to fuel growth. We systematically optimize existing assets while simultaneously pursuing strategic upgrades, steadily advancing technological advancements and expanding our industrial chain. By aligning with global trends, harnessing collective wisdom, and focusing on cutting-edge technologies, we are exploring highly efficient collaboration mechanisms across our technology, engineering, and manufacturing sectors. This approach enables us to establish a closed-loop system integrating R&D, engineering, and industrial operations. Through the development of distinctive competitive advantages, we strive to position our company as a leader in resource-efficient, high-performance solutions—boasting technologically differentiated expertise and delivering premium, market-leading products. “ Value Enterprise ” , striving to enhance the company's investment value 。

Meanwhile, To enhance investor returns and share the fruits of our business growth with investors, while ensuring the company’s continued stable operations and long-term development, the company has decided to… 2024 The company approved at the annual general meeting 2024 The year-end profit distribution plan is: based on 2024 Year 12 Month 31 Total shares outstanding 648,862,630 Based on the number of shares, distribute to all shareholders per 10 Cash dividend distribution in RMB 3.00 Yuan (including tax), totaling RMB 194,658,789.00 Yuan, no bonus shares will be distributed, no capitalization of reserves into share capital will be conducted, and it has already been 2025 Year 4 Month 30 Daily dividend distribution has been completed. Plus 2024 The semi-annual report has been distributed to all shareholders per 10 Cash dividends distributed by the company 1.00 CNY (including tax), Company 2024 Annual cumulative distribution to all shareholders per 10 Cash dividend distribution to shareholders 4.00 Yuan (including tax), with the total cumulative cash dividends amounting to RMB 259,545,052.00 Yuan, accounting for the company 2024 The annual net profit attributable to shareholders of the listed company is 98.82% As of 2025 Year 4 Month 30 Day, the company from 2010 Cumulative cash dividends since the year of listing 122,587.74 10,000 yuan (including tax), demonstrating the company’s commitment and original intention to reward its shareholders. Moving forward, the company will carefully evaluate its current business conditions, market performance, future growth plans, and funding needs, making well-informed, science-based decisions to implement appropriate measures—and striving to deliver even better returns to investors.

6. What is the current production capacity of the company's chemical business, and are there any new expansion projects planned?

The company is currently the largest n-propanol producer in China, a leading domestic enterprise specializing in butanol and octanol residue recovery, and a prominent n-pentanol sales company. As stated in the company's… 2024 Disclosure of relevant chapters in the "Annual Report"—the company currently focuses primarily on aldehyde products. 17 Ten thousand tons / Year, alcoholic products 26 Ten thousand tons / Year, Acid Products 3 Ten thousand tons / Year, ester products 10 Ten thousand tons / Annual production facilities.

Currently, the company is fully pushing forward with “ Butyric Acid Cellulose Acetate Product Optimization and Upgrade Technical Improvement Project ” Strive for high-quality construction progress. “ Isooctanoic acid ” New production capacity ( 50000 Ton / year) to be completed and put into operation as soon as possible; the company “ Cellulose Derivative and Its Supporting Equipment Upgrade Project ” We are currently conducting technical feasibility studies and optimizing the design, striving to complete construction according to the planned schedule. In addition, the company will integrate R&D resources from universities, research institutes, enterprises, and other stakeholders. Leveraging our strong position in the aldehyde, alcohol, acid, and ester industry chain, we aim to advance products toward greener, higher-end applications—targeting food-grade, pharmaceutical-grade, and electronic-grade markets—and work diligently to enhance the overall added value of our offerings.

List of Attachments (if any)

None

Date

2025 Year 5 Month 16 Day