Dear colleagues in the sulfuric acid industry, experts in the field, and partners:

Li Zhenglai Technology adheres to a sense of mission and a firm belief in contributing to the country through the industry. It has officially announced to the global sulfuric acid industry: Our country's independently developed high-temperature acid concentration analyzer has successfully broken the long-standing international technological monopoly and completely solved the "critical bottleneck" problem of acid concentration measurement in the waste heat recovery system of sulfuric acid plants. This product has been successfully applied in over 100 large-scale sulfuric acid plants in China. With its outstanding service life and measurement accuracy far exceeding that of similar foreign products, it has set a new benchmark for domestic high-end analytical instruments, providing solid technical support for the green and low-carbon transformation and energy-efficient utilization of China's sulfuric acid industry.

1. The Challenge of the Era: The "Deadlock" of High-Temperature Sulfuric Acid Concentration Online Measurement in Waste Heat Recovery Systems

For a long time, the precise online measurement of high-temperature sulfuric acid concentration in the waste heat recovery system has been a major technical bottleneck that has plagued China's sulfuric acid industry. This field has been monopolized by international giants, and imported equipment not only has a short lifespan, high failure rate, and unreliable after-sales service, but also has numerous technical flaws that are difficult to overcome: insufficient measurement accuracy leads to inaccurate process control; short lifespan results in high maintenance costs; limited technical services, with spare parts being subject to restrictions; poor adaptability, making local adaptation difficult. This "deadlock" situation not only restricts the safety of sulfuric acid device waste heat recovery but also becomes a hidden concern in the national strategy for sulfuric acid production safety and industrial self-control. Breaking the monopoly and achieving the domestic production replacement of high-temperature acid concentration analyzers has become an urgent need for the sulfuric acid industry and even the entire chemical industry.

2. Technological Advancement: Dual Breakthroughs in Service Life and Measurement Accuracy

The launch of the Li Zhenglai Technology high-temperature and acid-concentration analyzer not only achieved a domestic breakthrough from scratch but also surpassed foreign counterparts in core performance indicators:

Service Life: Several times longer than imported products, setting a new industry benchmark. For extreme working conditions of high temperature and strong corrosion, the R&D team innovatively adopted special high-temperature and corrosion-resistant alloy materials and manufacturing processes.

Measurement accuracy: Far exceeding that of foreign products, it enables precise process control and provides highly reliable data support for the APC and DCS of the waste heat recovery system. Based on precise concentration data, it can reduce the risk of system corrosion and achieve a dual improvement in economic benefits and safety production.

Environmental adaptability: Specifically customized for domestic working conditions. The product fully takes into account the characteristics of China's sulfuric acid plants and seamlessly integrates with the mainstream DCS systems in the country. The on-site debugging is convenient, the maintenance and operation are in line with the habits of domestic personnel, truly achieving "immediately usable upon acquisition, immediate effectiveness upon use" 。

3. One Hundred Sets of Verification: Practical Applications of Domestic Large-scale Equipment

More than 100 successful applications have not only demonstrated the technical maturity and reliability of the product, but also formed a large-scale application demonstration effect. After on-site inspections and technical exchanges, more and more sulfuric acid enterprises have actively chosen the products of Li Zhenglai Technology. The market recognition and brand reputation of domestic high-temperature acid concentration analyzers have continued to rise.

4. Strategic Significance: The Leap from "Being Dependent" to "Self-Controllability" in the Industry

The successful development and large-scale application of Li Zhenglai Technology's high-temperature and high-acidity concentration analyzer have far-reaching significance beyond that of a single product. It holds profound strategic value for the industrial sector and is crucial for ensuring national energy security.

Boosting confidence in domestic high-end instruments: In the long-standing field of high-end industrial analysis instruments dominated by foreign brands, this product has demonstrated the technical strength of Chinese manufacturing through practical performance, setting a successful example for the domestication and replacement of more critical instruments, and boosting the industry's confidence in domestic high-end equipment.

Reduce the total life cycle cost: With a service life several times longer than that of imported products, this product significantly reduces the equipment investment and operation expenses of enterprises, and enhances the overall economic benefits of the sulfuric acid plant.

5. With the grace of technology, usher in the new era of industry

The success of Li Zhenglai Technology's high-temperature and high-acid concentration analyzer is a victory of the spirit of independent innovation, an outcome of the deep integration of industry, research, education and application, and a vivid portrayal of China's sulfuric acid industry's journey from catching up to parity and then to leading. We are well aware that breaking monopolies is not easy, and maintaining a continuous lead is even more challenging. Li Zhenglai Technology will always adhere to its original aspiration of serving the country through the industry, be guided by customer needs, and use technological innovation as the engine. It will work hand in hand with global sulfuric acid industry colleagues to jointly overcome more "key technology" problems and jointly promote the sulfuric acid industry to move towards a more efficient, greener and smarter direction.

We sincerely invite all global sulfuric acid manufacturers, engineering companies and research institutions to come and visit, engage in exchanges and cooperation. Experience the outstanding performance of domestic high-end analytical instruments firsthand, jointly witness and participate in the great process of the independent control and high-quality development of the sulfuric acid industry.