Amid growing global environmental challenges, hydrogen energy — as a leading clean and renewable energy source — has become a key driver of sustainable energy development.Due to the small molecular size of hydrogen, high leakage risks, extreme storage pressure, and complex operating conditions, equipment, valves, pipelines and components used in hydrogen storage and transportation, hydrogen refueling stations, and FCV on-board hydrogen systems must meet strict requirements for pressure resistance, sealing performance and safety.

With extensive expertise and manufacturing experience in fluid systems, valves and fittings, Depo provides reliable, high-performance solutions tailored to the rigorous demands of the hydrogen energy industry, supporting the safe and steady advancement of the global hydrogen economy.

Depo is a trusted provider of high-performance valves and fluid components for the global petroleum and petrochemical industries. We focus on delivering safe, reliable, and longlasting solutions that meet and exceed international industry standards for process instrumentation and industrial applications. Backed by a professional engineering team, we offer full technical support from product selection to system design. Our core products include tube fittings, instrument valves, manifolds, and seamless tubing, which are widely used in standard instrument hookups and process control systems.

They cover key applications such as pressure measurement, temperature measurement, level measurement, flow measurement, gas utilities, calibration systems, switching and conditioning systems, and grab sample stations. Depo supports stable operation and efficient performance for your petrochemical and energy projects.

Our Goal: Safe, LeakFree Fluid SystemsAs the global economy and industrial sector continue to grow, the demand for petroleum and related fuel resources is rising rapidly, driving the expansion of refineries and chemical plants worldwide. These industries handle complex and demanding fluids, requiring highly reliable components and solutions.

Depo delivers professional fluid system solutions designed specifically for challenging refinery and chemical applications. We support a wide range of facilities, including fixed installations, offshore platforms, subsea systems, and downstream operations such as natural gas processing, transmission, piping, and storage.

By focusing on safety, reliability, and efficiency, Depo helps you optimize operational performance, improve resource utilization, and establish a secure, stable, and leakfree working environment for your critical processes.

Compressed natural gas (CNG) and liquefied natural gas (LNG) are flammable, explosive, and corrosive media that demand high-pressure resistance and strict safety standards in transportation, storage, and operation.Depo specializes in providing reliable fluid components designed specifically for the unique challenges of the natural gas industry.

Our core products include high-performance tube fittings and control valves, manufactured from premium corrosion-resistant materials to ensure long-term stability and durability.Featuring robust construction, excellent sealing performance, easy installation, and low maintenance requirements, Depo products fully comply with industry standards for CNG and LNG systems.

Ensuring Experimental Accuracy with Premium Fluid ComponentsLaboratories play a vital role in driving scientific innovation, supporting industrial progress, and strengthening national development across fields such as physics, chemistry, biology, medicine, and advanced engineering. High-precision equipment and stable fluid systems are essential to guarantee reliable and accurate test results.Depo brings years of professional experience in fluid control components, providing reliable, high-quality fittings and valves for laboratory analytical instruments, including spectrometers, chromatographers, and liquid analyzers.

Solar energy is a clean and renewable power source that supports sustainable living and environmental protection. Advanced solar thermal and photovoltaic technologies capture solar energy to produce heat, steam, and electricity, with semiconductor materials playing a key role in photovoltaic cells and modules.In the semiconductor industry, stable production systems and high-purity components are critical to ensuring chip quality and output.

Depo has extensive professional experience serving the solar energy and semiconductor sectors. We provide high-purity fluid components and customized solutions to support safe, reliable production and auxiliary systems.

HVAC systems are essential in modern commercial buildings, industrial facilities and residential buildings. Heating, ventilation, air conditioning and refrigeration processes rely on stable, efficient and durable fluid components.

In these systems, tubes, fittings and valves must maintain excellent sealing performance, corrosion resistance and pressure stability to ensure energy-saving and safe operation.

Depo provides professional fluid system solutions specially designed for HVAC and refrigeration applications. Our high-quality products, including brass fittings, brass test plugs, syphon tubes, needle valves, brass gauge cock valves, control valves and connecting components feature reliable performance, easy installation and long service life.

From fossil fuel power generation to nuclear power plants, Hikelok can provide a variety of process instrument components to help you successfully build a safe and efficient operation system, whether it is the steam water system, power generation system or control system of thermal power plants, the construction of nuclear islands, conventional islands and their supporting facilities of nuclear power plants. Whether you are commodity driven or have special fluid control requirements, Hikelok has a professional team with rich application experience in the power industry, which can help you build new or improve the existing system design.