GUIDA-One Stop Gas Application Service

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Qingdao Guida Special Gas Co., Ltd

The company is a technology-based enterprise that combines the production of high-purity gas, mixed gas, standard gas, and special gas.

One Stop Gas Application Service

The main products include standard gas, mixed gas, high-purity gas, various gas cylinder agents, gas pressure reducers, liquid nitrogen and liquid argon tanks, laboratory equipment, and can undertake the design and installation of laboratory gas pipeline.

Focusing On Gas Application Solutions

The company's products are applied in fields such as electronics, aerospace manufacturing, petrochemicals, food, healthcare, environmental protection, mining, metallurgy, as well as experiments in higher education institutions and research departments.

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GUIDA GAS

Product Center

The company specializes in standard gas, mixed gas, high-purity gas, and acts as an agent for various types of gas cylinders, gas pressure reducers, liquid nitrogen and liquid argon tanks, laboratory equipment, etc. We undertake laboratory gas pipeline design and installation projects.

Electronic Gas Standard Mixed Gas Rare Gas High-purity Gas Food Gas Industrial Gas Instrument Valve Packaging Container

Silane

Silane (SiH₄), also known as silicon hydride. It is a colorless, flammable and toxic gas with a strong garlic odor. It is easily ignited in air, extremely sensitive to oxygen and air, and may even undergo explosive reactions with oxygen at temperatures of -180 ℃. Silane is widely used in various industries such as electronics, energy, glass, and high-tech, mainly as a key material for the production of liquid crystal TFTs, solar cells, semiconductors, and more. Due to its spontaneous combustion and toxicity, silane needs to be handled and stored with special care to avoid fire, explosion, and health hazards.

Hydrogen Sulfide

Hydrogen sulfide (H₂S) is a colorless and highly toxic acidic gas, belonging to inorganic compounds. It has no obvious odor at high concentrations, strong rotten egg odor at low concentrations, and sulfur odor at extremely low concentrations. It is a byproduct of many industrial processes, such as natural gas extraction, petroleum refining, wastewater treatment, and paper industry. It is also produced in nature through the decomposition of organic matter and the metabolic activities of certain microorganisms. Hydrogen sulfide has a slightly higher density than air and can accumulate in low-lying areas, forming potential hazardous zones. At low concentrations, it is toxic to the human body, and inhaling high concentrations of hydrogen sulfide can quickly be fatal. It inhibits cellular oxidative phosphorylation, hinders cellular respiration, and leads to cell death. Hydrogen sulfide is irritating to the eyes, respiratory system, and nervous system, and exposure to low concentrations may cause eye irritation, headache, cough, and difficulty breathing.

Sulfur Hexafluoride

Sulfur hexafluoride (SF₆) is an inorganic compound that is a colorless, odorless, non-toxic, and non flammable stable gas at room temperature and pressure. It has a molecular weight of 146.055 and a density of 6.0886kg/m3 at 20 ℃ and 0.1 MPa, which is about 5 times the density of air. The molecular structure of sulfur hexafluoride is octahedral, with a small bonding distance and high bonding energy, making it highly stable. At temperatures not exceeding 180 ℃, its compatibility with electrical structural materials is similar to that of nitrogen gas.

Hydrogen Chloride

Hydrogen chloride (HCl), with a molecular weight of 36.461, is a colorless, irritating, corrosive, and suffocating gas that strongly emits smoke in humid air. A hydrogen chloride molecule is composed of one chlorine atom and one hydrogen atom. Hydrogen chloride is easily soluble in water and alcohol, as well as in ether. Its aqueous solution is called hydrochloric acid, also known as hydrochloric acid. Under standard conditions (0 ° C, 101.325 kPa), one volume of water can dissolve approximately 500 volumes of hydrogen chloride.

Gas Mixture

Gas Mixture refers to a gas composed of two or more gases mixed in a certain proportion. It is widely used in industrial, medical, scientific research and other fields to meet different needs. For example, a mixture of argon and carbon dioxide is commonly used as a shielding gas in welding; In healthcare, a mixture of oxygen and nitrogen can be used for respiratory therapy.

Gas Mixture

Standard Gas

Standard gas is a term in the gas industry. Standard substances are measurement standards with uniform concentration, good stability, and accurate measurement values. They play a fundamental role in reproducing, storing, and transmitting measurement values. They are used in the fields of physics, chemistry, biology, and engineering measurement to calibrate measuring instruments and processes, evaluate the accuracy of measurement methods and the detection capabilities of testing laboratories, determine the characteristic values of materials or products, and perform value arbitration.

Standard Gas

Standard Gas is a term in the gas industry. Standard substances are measurement standards with uniform concentration, good stability, and accurate measurement values. They play a fundamental role in reproducing, storing, and transmitting measurement values. They are used in the fields of physics, chemistry, biology, and engineering measurement to calibrate measuring instruments and processes, evaluate the accuracy of measurement methods and the detection capabilities of testing laboratories, determine the characteristic values of materials or products, and perform value arbitration.

High Purity Neon Gas

Neon (Ne) is a colorless, odorless, and tasteless rare gas with an atomic number of 10. Although its content in the air is rare, it has unique physical and chemical properties such as high chemical stability, low boiling and melting points, as well as good conductivity and thermal conductivity. After being electrified, neon gas can emit orange red light, which makes it widely used in the fields of colored neon lights, indicator lights, voltage regulation, and laser mixtures. Meanwhile, neon gas can also be used as a low-temperature coolant, a refrigerant for superconducting equipment, and a detection medium in high-energy physics research.

High Purity Krypton Gas

Krypton (Kr) is a rare gas that is colorless and odorless. It is widely used in the electronics industry, electric light source industry, as well as in gas lasers and plasma streams.

High Purity Xenon Gas

Xenon (Xe), with extremely high luminous intensity, is used in lighting technology to fill phototubes, flashlights, and xenon high-pressure lamps. In addition, xenon is also used as a deep anesthetic, medical ultraviolet, laser, welding, refractory metal cutting, standard gas, special mixed gas, etc.

High Purity Deuterium Gas

Deuterium gas (D₂) has all the reaction characteristics of ordinary hydrogen and generates completely corresponding compounds. The higher mass and lower zero point energy (energy at absolute zero) of deuterium result in significantly different reaction rates and equilibrium positions in the same reaction. Generally speaking, compared to ordinary hydrogen, deuterium has a slower reaction rate and a more incomplete reaction.

High Purity Nitrogen Gas

Nitrogen (N₂) is one of the main components of air, accounting for approximately 78% of the total Earth's atmosphere. It is a colorless, odorless, and tasteless inert gas with stable chemical properties that is not easily reactive with other substances. In industrial production, nitrogen is often used as a protective gas, such as in welding, cutting, and food packaging processes, to prevent oxidation and corrosion caused by oxygen. In addition, nitrogen is also used in the manufacture of fertilizers, synthetic fibers, and as a refrigerant for freezing and refrigeration. Due to its inertness, nitrogen is also commonly used as an inert atmosphere in laboratories to protect sensitive substances from the influence of air.

High Purity Helium Gas

Helium (He) is a colorless, odorless, and tasteless rare gas with extremely inactive chemical properties. It is the second most abundant element in the universe, but its concentration in the atmosphere is extremely low. Helium has extremely low density and melting point, as well as high thermal conductivity, making it widely used in scientific research, industry, medical and other fields. For example, in superconducting technology, liquid helium is used to manufacture superconducting equipment; In the field of diving, helium is mixed with oxygen to improve the safety and efficiency of diving operations. In addition, helium is also used for welding protection, balloon inflation, magnetic resonance imaging, and other purposes.

High Purity Hydrogen Gas

Hydrogen (H₂) is a simple substance formed from the element hydrogen, with a molecular weight of 2.01588. Hydrogen gas at room temperature and pressure is a colorless, odorless, highly flammable, and insoluble gas in water. The density of hydrogen is 0.089g/L (101.325kpa, 0°C), which is only 1/14 of that of air, making it the least dense gas known in the world. So hydrogen can be used as a filling gas for airships and hydrogen balloons (due to its flammability and low safety, helium is often used to fill airships). Hydrogen reacts with non metals with high electronegativity to exhibit reducibility, and reacts with active metals to exhibit oxidizability.

High Purity Carbon Dioxide

Carbon dioxide (CO₂) is a colorless and odorless gas that is an important component of the Earth's atmosphere and a key substance in many industrial processes and biological activities. In nature, carbon dioxide is absorbed by plants through photosynthesis and converted into oxygen, while also being released during respiration and combustion processes. As one of the greenhouse gases, carbon dioxide has a significant impact on the Earth's climate system, and excessive emissions can lead to global warming. In industry, carbon dioxide is commonly used in the production of carbonated beverages, frozen foods, and as a protective gas in welding and firefighting.

Food Carbon Dioxide

Food carbon dioxide (CO₂), is a colorless, odorless, non-toxic gas, has a wide range of applications in the food industry. It is mainly used for carbonation of beverages and gives special taste to carbonated beverages such as soda and cola. In addition, food-grade carbon dioxide can also be used as a refrigerant for food preservation, freezing and refrigeration, such as dry ice in the ice cream industry and long-distance refrigerated transportation. High purity food grade carbon dioxide can better protect food quality and taste, to ensure food safety.

Food Carbon Dioxide (Soda Water Equipment)

Food grade carbon dioxide (CO₂) is a colorless, odorless, and non-toxic gas that is widely used in the food industry. It is mainly used for carbonation of beverages, giving carbonated drinks such as soda water and cola a special taste. In addition, food grade carbon dioxide can also be used as a refrigerant for food preservation, freezing and refrigeration, such as the use of dry ice in the ice cream industry and long-distance refrigerated transportation. High purity food grade carbon dioxide can better protect food quality and taste, ensuring food safety.

Food Grade Nitrogen

Food grade nitrogen (N₂) is a colorless and odorless gas with stable chemical properties, non-toxic and harmless characteristics. It is widely used in the food industry for preservation, packaging, and preservation, which can effectively extend the shelf life of food and maintain its quality. The purity of food grade nitrogen is usually high to ensure that it does not have any adverse effects on food. When using, it is necessary to ensure good sealing of the packaging and determine the appropriate nitrogen injection amount and packaging method based on the characteristics and storage requirements of the food.

Food Grade Dry Ice

Dry ice (CO₂) is a solid form of carbon dioxide that sublimates directly into a gaseous state at room temperature. During this process, it absorbs a large amount of heat, causing the surrounding temperature to rapidly decrease. Dry ice has the characteristics of being odorless, non-toxic, and non combustible, and is often used in fields such as artificial rainfall, stage performances, food preservation, medical care, and cleaning. However, safety precautions should be taken during use to avoid risks such as frostbite or explosion.

Industrial Argon Gas

Argon (Ar) is a colorless, odorless, and non-toxic inert gas with a relative atomic mass of 39.948. It is one of the components of air and is mainly produced through air liquefaction and distillation. Argon gas has stable chemical properties and is not easily reactive with other substances, so it has a wide range of applications in industry, such as being used as a welding shielding gas, bulb inflation, low-temperature freezing, photolithography process in semiconductor manufacturing, and inert atmosphere in scientific research experiments. In addition, argon gas has a density 1.4 times that of air at room temperature and is slightly soluble in water.

Industrial Oxygen

Oxygen (O₂) is an important component of the Earth's atmosphere, accounting for approximately 21% of the air volume and being the most abundant element. Oxygen is required for the oxidation of hydrocarbons, treatment of wastewater, rocket propellants, and for respiration of animals and humans in aviation, aerospace, and diving. Animal respiration, combustion, and all oxidation processes (including the decay of organic compounds) consume oxygen. But oxygen in the air can be continuously replenished through the photosynthesis of plants. In the cutting and welding of metals. It is a mixture of oxygen with a purity of 93.5%~99.2% and combustible gas (such as acetylene) to produce a flame at extremely high temperatures, thereby melting the metal. The metallurgical process cannot do without oxygen. Oxygen is also required to enhance the production process of nitric acid and sulfuric acid. By blowing a mixture of oxygen and water vapor into a gasifier without using air, high calorific value gas can be obtained. Medical gas is extremely important.

Industrial Carbon Dioxide

Industrial Nitrogen

Regulator

A regulator is a regulating device that reduces high-pressure gas to low-pressure gas while maintaining stable pressure and flow rate of the output gas. It is widely used in fields such as gas welding, gas cutting, and industrial gas supply to ensure the safety and stability of gases during use. Pressure reducers are usually made of materials such as brass, and contain internal components such as valve top rods, pressure regulating springs, and elastic films. By adjusting the pressure regulating screws, the output pressure and flow rate of the pressure reducer can be controlled.

Siphon

The carbon dioxide siphon is a commonly used gas phase analysis instrument in laboratories, mainly composed of a sample tube, a flow meter, a siphon tube, and a suction port. Its working principle is to use the siphon phenomenon to achieve gas separation and analysis, and to achieve the best separation effect by adjusting the length and tilt angle of the siphon tube. Carbon dioxide siphon tubes are also commonly used for guiding liquids in steel cylinders, which can quickly release CO2. Their material is generally 304 stainless steel, which has the characteristics of corrosion resistance and resistance to deformation. Different models of siphon tubes have different thread specifications and lengths, which can be customized according to actual needs. Overall, carbon dioxide siphons have the characteristics of simplicity, speed, and accuracy, and are widely used in laboratories and industrial production.

Cylinder Valve

A cylinder valve is an important device for controlling gas flow, direction, and pressure. It typically consists of a valve body, valve core, seal, and handle, and is used to safely and accurately regulate gas flow and pressure. Widely used in fields such as petroleum, chemical, metallurgy, etc. It is connected to a gas cylinder and causes pressure loss through throttling of the opening and closing components, forcing the inlet pressure to decrease to a certain required value at the outlet, thereby achieving precise control of gas pressure and flow rate. There are various types of steel cylinder valves, such as two-way, three-way, four-way, etc., and the appropriate model and specification can be selected according to specific needs. In addition, the steel cylinder valve is equipped with a safety valve to ensure automatic exhaust in case of abnormal conditions, ensuring safe use.

Dewars

Dewars are stainless steel containers used for storing and transporting low-temperature liquid gases such as liquid oxygen, liquid nitrogen, and liquid argon. It adopts super vacuum insulation technology and has excellent insulation performance. Duwa tanks are usually equipped with multiple valves and pressure gauges for the safe use and monitoring of gases. Its advantages are large storage capacity, high gas purity, and good safety, and it is widely used in laboratories, industry, and medical fields.

Gas Cylinder

Gas cylinder is a specially designed steel container for high-pressure storage of gases, used to store gases such as oxygen, nitrogen, carbon dioxide, etc. It is usually made of high-strength steel and has a dedicated structure and color identification to distinguish gas types. When using, it is necessary to follow the principles of dedicated bottles, fixed placement, and classified storage, and be equipped with safety devices such as pressure reducers and pressure gauges. To ensure safety, regular inspections and maintenance should be carried out, and cleanliness should be maintained. Do not collide, avoid high temperatures, and take emergency measures immediately upon discovering leaks.

Dangerous Goods Transport Vehicles

Dangerous goods transport vehicles are specialized vehicles designed specifically for transporting dangerous goods. Their unique body structure typically features a tank design, allowing for efficient transportation of various liquid, liquefied gas, and powder goods. These vehicles are widely used in the fields of petroleum, chemical, metallurgy, etc., for transporting dangerous goods such as oil, liquefied gas, and chemicals. Dangerous goods tank trucks are equipped with advanced safety devices such as anti-collision strips, anti-static facilities, pressure gauges, thermometers, etc., to ensure the safety and reliability of the transportation process. In addition, depending on the nature of the dangerous goods being transported, the material and structural design of the tank body of the tanker may also vary to meet the transportation needs of specific goods.

Storage Tank

A storage tank is a device used to store refined chemicals or oils such as acids, bases, alcohols, gases, liquids, etc. It is widely used in industries such as petroleum, chemical, grain and oil, and food. Its materials are diverse, including polyethylene, polypropylene, fiberglass, ceramics, rubber, and stainless steel, with different corrosion resistance, strength, and lifespan characteristics. There are various forms of storage tanks, such as vertical, horizontal, spherical, etc., which can be selected according to the properties, capacity, and special requirements of the stored material. The storage tank is equipped with temperature and pressure control systems, explosion-proof devices, and leak alarm systems to ensure the safety and stability of the stored substances.

About Us

Qingdao Guida Special Gas Co., Ltd

Qingdao Guida Special Gas Co., Ltd., as a professional provider of high-purity gases and special gases supply and services, is committed to meeting the diversified gas needs of various industries. We focus on providing comprehensive services in production, storage, distribution, and application technology, providing high-quality gas products and supporting solutions for multiple fields such as chemical, medical, semiconductor, new energy, food processing, and university research. The company has advanced production equipment and testing technology, strictly abides by national laws and regulations, implements a strict safety management system, ensures that every aspect of gas production, transportation, and use is safe and reliable, and actively promotes green and low-carbon gas application technologies to support sustainable development.

We not only provide products, but also focus on service experience. Our professional technical support team is always on standby to solve technical problems in gas applications for customers, providing on-site guidance, equipment maintenance, and technical training to ensure that customers can use our products efficiently and safely.

2010 Year

Established in 2010

20 Million Yuan

Registered capital 20 million yuan

100 +

More than 100 kinds of products

GUIDA GAS

Industry Applications

Company's products are applied in fields such as electronics, aerospace manufacturing, petrochemicals, food, healthcare, environmental protection, mining, metallurgy, as well as experiments in higher education institutions and research departments.