Safety is the cornerstone of a company's success and failure, the lifeline of an enterprise, and the prerequisite for benefits. Safety production is crucial to the lives of employees and the safety of corporate property, as well as to social stability. Therefore, as a grassroots safety production manager, it is essential to strengthen the learning of safety knowledge and professional skills, enhance one's own safety management awareness, and improve personal safety management capabilities.

Seriously implement the principle of 'safety first and prevention foremost'. In daily management, the safety state of objects is managed by improving people's safety awareness. Therefore, regular safety training and 'safety learning' for personnel are particularly important. Only by fundamentally enhancing people's safety awareness and their ability to prevent and respond to risks, and by strictly adhering to various rules and regulations, can we better manage the safety state of objects, control emergencies, and ensure that objects function normally and safely. For the management of the safety state of objects, effective maintenance, repair, and management of equipment can prevent it from being in a sub-healthy state. Personnel operating in accordance with regulations and the good condition of equipment ensure the normal operation of equipment, improve equipment utilization, guarantee normal production operations, and eliminate safety accidents.

Improving one's own quality is not only a requirement of safety production management but also a need for enterprise development. In team performance assessments, one's safety knowledge, safety technical level, and professional ability should be combined to equip oneself with high skills, strong analytical decision-making, and emergency handling capabilities. This facilitates a shift in employees' safety awareness from 'safety is imposed on me' to 'I want safety' and then to 'I know how to be safe.'

In summary, the transition from 'safety is imposed on me' to 'I know how to be safe' requires a significant shift in the mindset, psychology, and behavior of the employees, who are the main actors in safety production. Achieving this shift relies on extensive efforts in publicity, education, inspection, supervision, rewards, and penalties. By leveraging the external motivation of 'safety is imposed on me' to promote this transformation, our safety production management will undoubtedly reach new heights and levels.

This year marks the 23rd National Safety Production Month, with the theme 'Everyone Talks Safety, Everyone Knows Emergency Response—Clear Life Channels.' On June 5, the High-Tech Zone Management Committee and Niutoushan Government launched the Safety Production Month activities, organizing various forms of safety training and educational activities. During the Safety Production Month, the company also organized diverse safety production promotions, training, and emergency drills, reflecting the priority placed on safety production by government and enterprise departments at all levels. Only with safe production can enterprises develop healthily, society remain stable, and people's lives become increasingly happy and joyful!

——Comprehensive Department: Zhang Qixiang

1.Molecular sieving performance

Molecular sieves feature an extremely uniform pore size distribution. Only substances with molecular diameters smaller than the pore size can enter the internal cavities of the molecular sieve crystals. For instance, 3A molecular sieves have a pore size of approximately 0.3 nanometers, allowing only water molecules (about 0.27 nanometers in diameter) to pass through while repelling larger molecules (such as propane, around 0.43 nanometers). 5A molecular sieves, with a pore size of roughly 0.5 nanometers, are used for separating oxygen (0.34 nanometers) and nitrogen (0.36 nanometers). This precise "molecular screening" capability makes them key materials for separation and purification processes.

2.Adsorption performance

Even if molecules are smaller than the pore size, molecular sieves preferentially adsorb polar molecules (such as water and carbon dioxide) and unsaturated molecules (such as alkenes) through van der Waals forces or hydrogen bonds on the pore surface. This further enhances sieving precision. For example, nitrogen production using carbon molecular sieves achieves efficient nitrogen separation by preferentially adsorbing oxygen (which has slightly stronger polarity).

3.Catalytic performance

The pore structure of molecular sieves serves as "microreactors" for chemical reactions. The acidic sites on their surface (generated by the charge balance between the negative charge of aluminum-oxygen tetrahedra and cations) can catalyze carbocation-type reactions. For instance, Y-type molecular sieves, as petroleum cracking catalysts, can crack heavy oil into light fuels like gasoline. They are currently one of the most widely used catalysts in the petroleum refining industry.

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3A molecular sieve is a type of high-performance microporous adsorbent material with potassium-exchanged A-type zeolite as the core component. Its pore size is precisely controlled at 3Å (0.3 nanometers). Relying on its unique molecular sieving effect and excellent adsorption capacity, it has become a core material in the deep drying, purification, and separation processes of gases and liquids, widely adapting to the harsh working conditions of various industries.

Core Product Performance

1.Precise Selective Adsorption: The pore size is exclusively adapted for water molecules (kinetic diameter: 2.8Å) to enter the adsorption channels, enabling efficient interception of large molecules including CO₂, NH₃, and organic hydrocarbons, thus achieving targeted deep dehydration of the target system. The product boasts a static water adsorption capacity of up to 20%–22%, making it especially suitable for drying scenarios of humidity-sensitive media.

2.Excellent Environmental Resistance: The crystalline structure has superior thermal stability, maintaining structural integrity even under a high-temperature environment of 350℃. It also possesses good chemical inertness, resisting corrosion from strong polar solvents and acidic gases such as H₂S, and can operate stably under harsh working conditions to ensure long-term service reliability.

3.High-Efficiency Regeneration and Reusability: After adsorption saturation, the adsorption performance can be quickly restored through heating desorption at 200–350℃ or vacuum desorption, with extremely low loss during the regeneration process. After multiple regeneration cycles, the adsorption efficiency can still be maintained above 90%, significantly reducing the operational costs of industrial production.

4.Safety, Environmental Protection and Compliance: The product itself is non-toxic and free of pollutant emissions. It has obtained FDA food contact safety certification and complies with the EU RoHS environmental directive, allowing safe application in food, pharmaceutical, electronic and other fields with stringent requirements for purity and safety.

Typical Application Scenarios

1.Industrial Gas Drying: Conduct deep dehydration of cracked gas and natural gas to avoid pipeline ice blockage and equipment corrosion issues.

2.Petrochemical Industry: Realize dehydration of hydrocarbons such as liquefied petroleum gas (LPG) and olefins to prevent hydrate formation from affecting production.

3.Refrigeration Systems: Perform drying treatment on refrigerants such as R134a to improve the energy efficiency and operational stability of refrigeration systems.

4.Electronic Packaging: Purify inert gases such as nitrogen and argon to construct a clean environment required for semiconductor production.

5.Pharmaceutical Preparations: Complete solvent dehydration and drug packaging moisture control to effectively extend the shelf life of drugs.

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The Phase III expansion project of Shanli Technology is in full swing, which is not only a simple capacity enhancement project, but also an important leap in the company's development history. This project represents Shanli Technology's firm determination in technological innovation and industrial upgrading, and also symbolizes the company's relentless pursuit of high quality and high efficiency on the road to development.

In terms of technological innovation, Shanli Technology has always been at the forefront of the industry. During this expansion project, the company's leadership has demonstrated profound insight and swift adoption of new processes and technologies. Countless technical improvement meetings, personally chaired by the Chairman, involved meticulous refinement of project details. 

While pursuing technological innovation, the company places great emphasis on safety in production. Safety is the cornerstone of the company's development and its commitment to its employees, their families, and society. 

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1.Stable adsorption performance.

The carbon molecular sieve of a nitrogen generator must have excellent selective adsorption capacity, and its adsorption performance and selectivity must not undergo significant changes during long-term operation.

2.Uniform quality and consistent particle size.

The carbon molecular sieve of a nitrogen generator needs to ensure uniform particle size, so as to guarantee the uniform transmission of gas molecules in the molecular sieve channels and avoid phenomena such as "streamline effect" and "hot spot effect".

3.Large specific surface area and uniform pore size distribution.

The carbon molecular sieve of a nitrogen generator has a large specific surface area and reasonable pore size distribution, so as to increase adsorption capacity and improve adsorption rate.

4.Strong heat resistance and chemical resistance.

The carbon molecular sieve of a nitrogen generator needs to have certain heat resistance and chemical resistance, and be able to be used for a long time in environments with high temperature, high pressure and harmful gases.

5.Low cost and high stability.

The carbon molecular sieve of a nitrogen generator needs to be relatively low in price, high in durability and have long-term stability to meet the requirements of industrial applications.

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In the operation and development process of an enterprise, there are five mirrors that are like guiding lighthouses, reflecting the state of the enterprise from different angles, helping the enterprise to understand itself, adjust its direction, and make continuous progress. These five mirrors are the market mirror, customer mirror, employee mirror, competition mirror, and society mirror.

The market mirror reflects the overall environment in which an enterprise operates. It can reflect the fluctuations of the economic cycle. During periods of economic prosperity, market demand is booming，and enterprises may have more opportunities to expand production and investment. In times of economic recession, enterprises need to see the situation clearly from the market mirror, contract the front, and carry out refined management to cope with the market.

The customer mirror is the enterprise's most direct source of feedback. Through the customer mirror, enterprises can see the advantages and disadvantages of products or services. Enterprises need to adjust the functions and quality of products in a timely manner according to customer feedback, improve service attitude and process. Successful enterprises often tend to listen to the voice of customers and integrate customer needs into product research and development.

The employee mirror is a mirror within the enterprise. Employees are an important part of the enterprise, and they have a profound perception of the enterprise's culture, management, and development. From the employee mirror, enterprises with vitality often have enterprising and high-quality employees. Enterprises can find the advantages and disadvantages in human resource management from a positive perspective and then create an environment that is more conducive to employee growth and the exertion of potential.

The competition mirror enables enterprises to clearly recognize their position in the industry. By comparing with competitors' products, prices, market shares, and marketing strategies, enterprises can find their differentiated competitive advantages and also discover their own shortcomings. The competition mirror urges enterprises to constantly learn from the strengths of their competitors, make up for their own weaknesses, and thus gain an invincible position in the competition.

The society mirror reflects the enterprise's social responsibility and image. It reflects whether the enterprise abides by laws and regulations, pays attention to environmental protection, and actively participates in public welfare undertakings. Enterprises should actively review themselves from the society mirror, assume their due social responsibilities, and win social respect and support with a good social image.

These five mirrors of the enterprise—the market mirror, customer mirror, employee mirror, competition mirror, and society mirror—each provide a viewing perspective from different dimensions for the enterprise. Only by making good use of these five mirrors and constantly reflecting on and adjusting itself can an enterprise maintain healthy and stable development in the complex and changeable business environment and achieve sustainable prosperity.

——Production Department · Ma Le

Activated alumina, also known as activated bauxite, is a porous and highly dispersed solid material widely used in industrial fields.

Basic Information

The chemical formula of activated alumina is Al₂O₃. It is generally white powder or white spherical porous particles with a density of 3.9-4.0 g/cm³, a melting point of 2050℃, and a boiling point of 2980℃. It is insoluble in water and ethanol.

Performance Characteristics

Large Specific Surface Area: Features a well-developed pore structure with a specific surface area of 200-400 m²/g, providing abundant active sites for adsorption and catalytic reactions.

Strong Adsorption Capacity: Exhibits high adsorption capacity for water vapor, gases, and organic compounds. The water vapor adsorption capacity can reach 20%-30% (by weight) with a dew point as low as -70℃, making it the preferred material for deep drying of compressed air and other gases.

Excellent Thermal Stability: Maintains structural stability at high temperatures below 800℃ with a low thermal expansion coefficient, suitable for high-temperature catalytic or regeneration processes.

High Chemical Stability: Chemically stable in the pH range of 4-9, resistant to acid and alkali corrosion, and tolerant to toxic substances such as sulfides and chlorides. It has no risk of heavy metal leaching and complies with environmental protection standards.

High Mechanical Strength: Spherical particles have a smooth surface and high mechanical strength, maintaining their original shape without swelling or cracking after water absorption. This facilitates reactor filling and reduces pressure drop.

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Carbon molecular sieve is a new type of adsorbent developed in the 1970s. It is a kind of excellent non-polar carbon-based cellulose material.

The main component of carbon molecular sieve is elemental carbon, and the appearance is a black columnar solid. It contains a large number of micropores with a diameter of 4 angstroms, the micropores have a strong instantaneous affinity for oxygen molecules and can be used to separate oxygen and nitrogen in the air.Nitrogen adopts a normal temperature and low pressure nitrogen production process, which has the advantages of less investment cost, faster nitrogen production speed, and lower nitrogen cost than the traditional cryogenic high pressure nitrogen production process. Therefore, it is currently the preferred pressure swing adsorption (PSA) nitrogen-rich adsorbent for air separation in the engineering industry.

Carbon molecular sieve  is used in the chemical industry, oil and gas industry, electronics industry, food industry, coal industry, pharmaceutical industry, cable industry, and metal It is widely used in heat treatment, transportation and storage.

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Molecular sieve, often called zeolites or zeolite molecular sieves, are classically defined as "aluminosilicates with a pore (channel) framework structure that can be occupied by many large ions and water". 

According to the traditional definition, molecular sieves are solid adsorbents or catalysts with a uniform structure that can separate or selectively react molecules of different sizes. 

In a narrow sense, molecular sieves are crystalline silicates or aluminosilicates, which are connected by silicon-oxygen tetrahedra or aluminum-oxygen tetrahedra through oxygen bridges to form a system of channels and voids, thus having the characteristics of sieving molecules. 

Basically, it can be divided into several types of A, X, Y, M and ZSM, and researchers often attribute it to the solid acid category.

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Our company underwent a strict audit and certification conducted by the CQM (China Quality Mark) Certification Group, based on the three major system standards: ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management,the company successfully passed the "Three Systems" certification audit.This audit served as an authoritative examination of the company's operational performance since implementing the three system managements, signifying that the company has reached a new level in enhancing its management capabilities and social responsibility awareness.

Shanli initiated ISO Quality and Environment management systems in 2016 and has maintained ISO system certification for 9 consecutive years. In 2023, a resolution by the company's General Management Office led to the introduction of Occupational Health and Safety system management. This involved a comprehensive review of existing management systems and systematic self-inspection and improvement against ISO standards. The company actively promoted energy conservation and emission reduction efforts, optimized waste disposal, rationally planned resource utilization, and fostered a green and environmentally friendly production environment. It established safe operating procedures and emergency plans, improved occupational hazard protection measures, regularly organized safety training and drills, implemented strict quality control processes, and conducted regular internal audits and management reviews, all aimed at fully enhancing the company's overall management capability and service level.

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