- Company Profile
Li Zhenglai was established in 2022 and has always been deeply engaged in the sulfuric acid industry with an innovative spirit. After four years of development, the company has pioneered four specialized equipment and instruments for the sulfuric acid industry, namely the automatic condensation acid discharge device, the smoke gas sealing sampling device, the acid mist suction device, and the conversion rate chromatography analyzer. Our R&D team brings together experts in production processes, automation, mechanics, and computer fields, focusing on the core problems of safety, environmental protection, and automation in the sulfuric acid industry. Through continuous technological innovation, we have provided 'digital sulfuric acid' and innovative equipment for the sulfuric acid industry, aiming to redefine the production methods of sulfuric acid. With rigorous professional technology and unwavering innovation spirit, Li Zhenglai has gained wide recognition and high praise from the industry.
Mission
By continuously introducing new technologies and integrating interdisciplinary expertise for technological innovation, we can create sulfuric acid production facilities that meet the needs of the times.
Vision
Focus on the sulfuric acid industry and solve the measurement problems in the industry.
- Enterprise Philosophy
Focus on the sulfuric acid industry, through continuous innovation and product iteration, advanced digital technology, professional service and quality, safety is the responsibility of enterprise life, to meet the requirements of the digital age industry, with the spirit of cross-technological innovation, to solve the sulfuric acid industry development problems.
- Company Policy
Gather the advantages of sulfuric acid process and digital technology, become the first professional digital sulfuric acid service enterprise in the sulfuric acid industry, and create the world's first enterprise covering sulfuric acid process research and development, automation solutions, sulfuric acid plant life cycle operation and special equipment and instrumentation trust. All staff clearly entrusts their own historical mission to exert wisdom and continue to complete.
- Quality Policy
Quality is life, the product as their own heritage of the attitude of manufacturing and service, to win the trust of customers in the industry.
- Focus on safety and value.
- Strictly abide by laws and regulations and related manufacturing standards, manufacture according to manufacturing standards, pay attention to product use and continuously optimize products.
- Achieve the quality and control of the whole process, continuous development “ Quality is life ” The awareness of infiltration and propaganda.
- System Certificate
- Social recruitment in 2025
Company Profile
Since its establishment in 2022, Lizhenglai has been deeply engaged in the field of measuring instruments and digitalization in the sulfuric acid industry. Focusing on the sulfuric acid industry, through continuous innovation and product iteration, advanced digital technology, professional services and a sense of responsibility that quality and safety are the life of the enterprise, we meet the requirements of the industry in the digital age and solve the problems faced by the development of the sulfuric acid industry with the spirit of cross-technological innovation. By integrating the advantages of sulfuric acid processes and digital technologies, we aim to become the first professional digital sulfuric acid service enterprise in the sulfuric acid industry and create the world's first company that covers sulfuric acid process research and development, automation solutions, full life cycle operation of sulfuric acid plants, and reliable dedicated equipment and instruments. All staff members should clearly define the historical mission entrusted to them, exert their wisdom and continuously fulfill it.
1. Automation Manager
Job Responsibilities
1. New digital sulfuric acid project
Cooperate with users to complete the automatic control design of sulfuric acid plants, optimization of control circuits, review of drawings, selection of instruments, review of data sheets, and on-site installation guidance of instruments.
Optimize the automatic control strategy based on the process characteristics of the sulfuric acid plant and implement the deployment and commissioning of the digital sulfuric acid system.
Assist users in debugging the digital sulfuric acid system and stabilizing and optimizing the parameters of the automatic control loop during production.
Launch the digital sulfuric acid system to the cloud and fully integrate it with the digital sulfuric acid on mobile devices.
2. Digital sulfuric acid renovation project
Understand the current production pain points of sulfuric acid plants and provide digital and automatic control solutions.
Deploy a digital sulfuric acid system to meet users' goals of increasing efficiency, reducing costs and saving human resources through digitalization and automation.
Plan the timetable and roadmap for the upgrade, transformation and migration of the digital sulfuric acid system.
3. Digital Integration and collaboration
Assist in the full integration of digital sulfuric acid and cloud digital sulfuric acid to achieve edge control and cloud management.
Optimize the content of the visual interface and layout of the digital sulfuric acid device by using digital sulfuric acid.
Assist process engineers and mathematical engineers in data cleaning modeling.
4. Team management
Supervise the timely, high-quality and full delivery of each project
Maintain good communication and cooperation with various majors
Be sensitive to identifying needs and have good communication skills to persuade users to accept project services
Regularly report team work summaries and promptly formulate short-term, medium-term and long-term plans.
Job Requirements
Bachelor's degree or above, with over 10 years of working experience in the petroleum, chemical or power industries, including over 6 years of experience in automatic control. Management experience is preferred.
Familiar with petroleum, chemical and power processes, proficient in the knowledge of field instruments, valves, process analysis instruments, control systems and manufacturing execution systems
Proficient in using process simulation software and capable of independently completing PID tuning work for control systems.
Proficient in simulation training systems (OTS) and Advanced control systems (APC).
Compensation and Benefits
Two days off per week, five insurances and one fund, annual travel, annual health check-up, festival allowance, full academic advancement bonus, year-end bonus salary of 300,000 to 400,000 yuan per year.
Work Location
Chongqing Bishan
2. Catalyst R&D Manager
Job Responsibilities
Participated in the research of vanadium catalysts for the pure oxygen to sulfuric acid process and the development of intelligent catalyst production line processes.
Develop matching converters according to the requirements for catalyst usage.
Lead the catalyst R&D team to conduct theoretical research, microscopic research, small-scale trials and medium-scale trials.
Form a catalyst research team and equip it with a catalyst research laboratory.
Job Requirements
Doctoral degree or above, majoring in catalysts or related fields;
More than 3 years of experience in catalyst research and development or related fields, familiar with catalyst preparation and development.
Be familiar with the classification and application of catalysts in the petrochemical industry.
Be familiar with the standards of catalyst equipment (fixed bed, fluidized bed, boiling bed, etc.).
Be proactive and enthusiastic about work, have a quick mind, be good at summarizing, take the initiative to give feedback, and have a good habit of reporting work
Compensation and Benefits
Two days off per week, five insurances and one fund, annual travel, annual health check-up, festival allowance, full academic advancement bonus, year-end bonus salary of 300,000 to 400,000 yuan per year.
Work Location
Chongqing Bishan
3. R&d Manager of Skid-mounted Sulfuric Acid Plant
Job Responsibilities
Form a research and development team for skid-mounted sulfuric acid units.
Be fully responsible for the research and development design of the process, equipment and automation of the skid-mounted sulfuric acid plant.
Complete the manufacturing and performance testing of the prototype of the skid-mounted sulfuric acid plant.
Establish standardized supply chain and manufacturing processes for skid-mounted sulfuric acid plants.
Job Requirements
Bachelor's degree or above. Have 10 years of working experience in the production of sulfuric acid plants or the construction of 4 sets of sulfuric acid plant projects.
Those with 5 years of experience in sulfuric acid design from sulfur and experience in sulfuric acid production will be given priority.
Familiarity with standard equipment, non-standard equipment, processes and skid-mounted manufacturing of sulfuric acid plants is preferred.
Be familiar with the process, equipment, electrical and instrumentation standards related to sulfuric acid plants.
Be proactive and enthusiastic about work, have a quick mind, be good at summarizing, take the initiative to give feedback, and have a good habit of reporting work.
Compensation and Benefits
Two days off per week, five insurances and one fund, annual travel, annual health check-up, festival allowance, full academic advancement bonus, year-end bonus salary of 300,000 to 400,000 yuan per year.
Work Location
Chongqing Bishan
4. Sales Manager
Job Responsibilities
Be responsible for product technical exchanges, collect pain points in the sulfuric acid industry, and help customers solve production problems.
Be responsible for the after-sales technical support of the company's products.
Collect the development trends of the sulfuric acid industry in the responsible area and organize technical exchanges with customers.
Complete the annual sales target set by the department.
Be responsible for the technical exchange and promotion in the regional market.
Job Requirements
Bachelor's degree or above, major not limited, under 30 years old.
Three years of working experience is required. Candidates with experience in sulfuric acid production, catalyst sales, sales of foreign-funded instruments and meters, and sales of equipment in the sulfuric acid industry are preferred.
Proficient in using office software such as Powerpoint, Word, Excel and CAD.
Compensation and Benefits
Five social insurances and one housing fund, annual travel, annual health check-up, festival allowance, full bonus for academic advancement, and year-end bonus
The annual salary is 200,000 to 300,000 yuan.
Work Location
Chongqing Bishan
5. Overseas Sales Manager
Job Responsibilities
Be responsible for overseas product technical exchanges, collect pain points in the sulfuric acid industry, and help customers solve production problems.
Be responsible for the promotion of the company's overseas products and participation in industry conferences.
Collect the development trends of the sulfuric acid industry in the responsible area and organize technical exchange meetings for customers.
Complete the annual sales target overseas.
Job Requirements
Bachelor's degree or above, major not limited, under 35 years old.
Three years of working experience is required. Candidates with experience in sulfuric acid production, catalyst sales, sales of foreign-funded instruments and meters, and sales of equipment in the sulfuric acid industry are preferred.
Proficient in using office software such as Powerpoint, Word, Excel and CAD.
Compensation and Benefits
Five social insurances and one housing fund, annual travel, annual health check-up, festival allowance, full bonus for academic advancement, and year-end bonus
The annual salary is 200,000 to 300,000 yuan.
Work Location
Chongqing Bishan
6. Automation Engineer
Job Responsibilities
Be responsible for the selection of instruments and procurement coordination for digital sulfuric acid projects and skid-mounted sulfuric acid plants, as well as guiding installation and commissioning.
Be responsible for formulating the procurement plans for instruments and automatic control, and be in charge of instrument inquiries and contract signing.
Participate in the inspection and professional technical exchanges of instrument and automatic control suppliers; Be responsible for reviewing technical solutions and technical documents
Be responsible for the management of instrument installation, instrument debugging, and the configuration and debugging of the automatic control system. And design handover, drawing review, and coordination of the design progress of this specialty; Participate in the management of design changes
Participate in the review of basic design, detailed design, HAZOP and design constructability
Job Requirements
Bachelor's degree or above, majoring in Electrical Engineering, Measurement and Control Technology and Instrumentation, or Electrical Automation.
More than 5 years of working experience, and more than 2 years of working experience in the same position in manufacturing enterprises such as power, chemical, petrochemical, etc. Familiar with the instrument control system of process industry, proficient in circuit design software and electrical component selection; Be familiar with common problems in the operation of instruments and be able to solve them in a timely and effective manner. Proficient in using office software and related drawing software;
Possessing strong communication and expression skills, logical thinking ability, being able to withstand certain work pressure, having an enterprising spirit, a spirit of hard work and endurance, and being able to adapt to the environment quickly.
Compensation and Benefits
Double rest days, five insurances and one fund, annual travel, annual health checkup, festival allowance, full academic advancement bonus, year-end bonus salary of 150,000 to 200,000 yuan per year.
Work Location
Chongqing Bishan
7. Equipment Engineer
Job Responsibilities
Be responsible for the operation management and technical support of the sulfuric acid plant equipment to ensure its stable and efficient operation.
Compile and optimize equipment maintenance and upkeep plans, and guide on-site personnel to carry out daily repair work.
Participate in the selection, installation and commissioning of new equipment, and cooperate with the process department to carry out equipment improvement and technological upgrading.
Analyze the causes of equipment failures, propose improvement plans and follow up on their implementation to enhance the equipment's integrity rate and service life.
Compile relevant technical documents and equipment management ledgers to promote the standardization and normalization of equipment management.
Complete other related tasks assigned by superiors.
Job Requirements
Bachelor's degree or above, majoring in mechanical design, mechatronics or related fields.
Have more than 3 years of experience in equipment management, maintenance or technical support for sulfuric acid plants.
Be familiar with the structure and operation principle of commonly used equipment in sulfuric acid plants (such as fans, acid pumps, boilers, and non-standard equipment).
Have certain capabilities in diagnosing and handling equipment faults, and be familiar with equipment maintenance norms.
Proficient in using CAD and other drawing software as well as common office software.
Work seriously and responsibly, possess good communication and coordination skills as well as teamwork ability.
Compensation and Benefits
Double rest days, five insurances and one fund, annual travel, annual health checkup, festival allowance, full academic advancement bonus, year-end bonus salary of 150,000 to 200,000 yuan per year.
Work Location
Chongqing Bishan