- Focus on sulfuric acid industry, solve industry measurement problems
Li Zheng Lai , since its founding in 2022, has been deeply engaged in the field of measurement instrumentation and digitalization in the sulfuric acid industry.
We have brought together an elite R & D team and senior external technical consultants, together with the elites of sulfuric acid production process and experts in the field of automation, committed to solving the measurement problems in the sulfuric acid industry.
We create special instruments and equipment for the sulfuric acid industry, and provide standardized intelligent solutions to meet the diverse needs of the industry.
- ABOUT US
- 15
Employees with bachelor degree or above
- 100
Strategic partner
- 5
Innovative patented technology
- 5
Industry-leading technology products
- About
Li Zheng Lai , since its founding in 2022, has been deeply engaged in the field of measurement instrumentation and digitalization in the sulfuric acid industry. We have brought together an elite R & D team and senior external technical consultants, together with the elites of sulfuric acid production process and experts in the field of automation, committed to solving the measurement problems in the sulfuric acid industry. We create special instruments and equipment for the sulfuric acid industry, and provide standardized intelligent solutions to meet the diverse needs of the industry.
- Product
From our deep passion for the sulfuric acid industry, we are committed to using reliable measurement technology to promote the intelligent production process of the sulfuric acid industry.
Our goal is to help our customers embark on a sustainable and profitable path in a rapidly changing digital economy.
- PRODUCT
Product
High Efficiency Gun
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Product
High Efficiency Nozzle
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Product
Acid Concentration Analyzer
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Product
Insulation Assembly
- Product
- High Efficiency Gun
As the key equipment of sulfur acid making plant, its performance and quality are directly related to the safety, environmental protection standards and economic benefits of the pl
- Product
- High Efficiency Nozzle
The GH3 high efficiency nozzle and nozzle seat seal seat are threaded, and the sealing pad is a high temperature resistant metal pad, which effectively solves the sealing leakage p
- Product
- Acid Concentration Analyzer
The sulfuric acid concentration analyzer is suitable for monitoring the primary circulating acid, pump outlet acid, heater and preheater outlet acid concentration in the waste heat
- Product
- Insulation Assembly
The waste heat recovery system plays a crucial role in the sulfuric acid production process, which is not only responsible for energy recovery, but also ensures the absorption effi
- Option
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Combining our technological strengths in automation and sulfuric acid processes, we will develop innovative solutions to address the key challenges of the digital economy.
These solutions will undoubtedly revolutionize the production of sulfuric acid, achieve digital sulfuric acid management, intelligent production and efficient energy use, so as to more effectively serve humanity and protect valuable sulfur resources.
- SOLUTION
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Automatic Control Of Driving Safety Sulfur acid making device in the process of driving often because the process parameters are not up to standard, the valve position setting is unreasonable or the inspection is ...
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Sulfuric Acid Concentration Automatic Control The main reason why the sulfuric acid concentration of the regulator can not be automatically discharged is the improper selection of the regulator. To choose the regulator ......
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Automatic Oxygen/Sulfur Ratio Control As the upstream device and energy supply of chemical enterprises, the production efficiency and cost control of sulfur acid making plant are directly related to the economic benefi
- News
Looking forward to the future, the digital trend of the sulfuric acid industry has been irreversible, our common goal is to realize the comprehensive upgrade of sulfuric acid equipment from intelligent to digital, fully
mining the value of digital, help customers optimize sulfuric acid business, create a brilliant future.- NEWS
- 05.28
- 2026
- Can the sulfuric acid concentration test be done this way? The "magic tool" that frontline workers have been waiting for has finally arrived!
- Li Zhenglai Technology spent three years independently developing this product, completely ending the era where the concentration of sulfuric acid was measured through manual titra
- 05.19
- 2026
- The four-year journey has kept our original aspiration alive, and we are now embarking on a new journey towards the future. | The 4th anniversary celebration of Li Zheng has been successfully held.
- As time goes by, the original aspiration remains steadfast; over four years of hard work have yielded fruitful results. On April 27th, Liuzhengli Technology (Chongqing) Co., Ltd. c
- 05.15
- 2026
- High-temperature and high-acidity concentration analyzer: Breaking international monopoly and solving the "critical bottleneck" problem of waste heat recovery in sulfuric acid plants
- Dear colleagues in the sulfuric acid industry, experts in the field, and partners:
- 05.15
- 2026
- Li Zhenglai Technology's Condensation Acid Automatic Discharge Device Empowers Hubei Yihua Group - Leading the Green and Intelligent Production Era of Sulfuric Acid Plants
- Li Zhenglai Technology (Chongqing) Co., Ltd. has been deeply engaged in the field of digitalization and intelligence of sulfuric acid.
- 05.11
- 2026
- To the innovators and partners in the sulfuric acid industry - With our unwavering commitment over the past four years, we are now embarking on a new journey towards the future.
- In April 2022, Lizhenglai Technology (Chongqing) Co., Ltd. was quietly born in the fertile land of Chongqing.
- 04.22
- 2026
- The world's first anti-blocking sulfur gun has been released with a bang
- Lizhenglai Technology (Chongqing) Co., LTD. [China · Bishan, April 22, 2026] Today, it officially launched and accepted orders for the industry's first "Anti-clogging sulfur gun" t