Welcome to Hongmi

Our factory was founded in 2007 and covers an area of 1000 square meters. We have our own R&D, production and sales teams. Our factory mainly produces all kinds of pneumatic joints, PU air pipes, PA air pipes. At the same time, we also cooperate with other factories to produce various types of cylinders, air source treatment FRL unit, and so on. Our aim is to provide customers with high quality and low price of cost-effective products.

Welcome to Hongmi

Wenzhou Hongmi Pneumatic Co., Ltd. was founded in April of 2021, as the trading headquarter of Huiteli Pneumatic(Hydraulic) Co., Ltd. in Wenzhou, Zhejiang province, which has the production experience over 17 years. We are integrates industrial company of manufacturing and exporting, mainly specialized in various kinds of pneumatic fittings, including joints/connectors, PU hose, PA hose, air cylinders, air source treatment unit, solenoid valves/water valves, as well as the vacuum accessories used for robot industry, etc. Our products covered SMC type, Airtac type, and Festo type. Just tell us the list you need then we will offer you the right thing with competitive price.

Explore Our Products
  • Pneumatic Fitting

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    Pneumatic Fitting

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  • Air Hose

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    Air Hose

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  • Solenoid Valve

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    Solenoid Valve

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  • Pneumatic Cylinders

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    Pneumatic Cylinders

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  • Air Source Treatment

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    Air Source Treatment

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Why Choose Us

Hardware industry leader

Has a world-class automated production equipmentand testing equipment hardware equipment in theindustry-leading level.

International quality standards

Companies to implement intemational quality stan-dards, synchronized with the times, to comply with national environmental policy.

Excellent corporate culture

Excellent leadership program: lead by example, effective communication, care for employees; Excellent staffprogram: happy together to make money, decent life.

First class quality

Has a world-class automated production equipmentand testing equipment hardware equipment in theindustry-leading leve.

Blog

How to Choose 3V Series 3/2 Way Air Solenoid Valves

How to Choose 3V Series 3/2 Way Air Solenoid Valves

The 3V series 3/2 way air solenoid valve is commonly used in pneumatic automation systems where compressed air must be switched between supply and exhaust. These valves are often selected for single-acting cylinders, pneumatic fixtures, blow-off circuits, actuator return control, and machine panel assemblies. For buyers, the main question is not only whether the valve is 3/2 way. The port size, flow requirement, coil voltage, electrical connection, installation space, and actuator demand all affect the final selection. A small valve may work well for compact fixtures, while a larger model is needed when higher airflow is required. What a 3/2 Way Air Solenoid Valve Does A 3/2 way valve has three ports and two positions. In a typical pneumatic circuit, it can send air to an actuator port and then exhaust that air when the signal changes. This makes it useful for single-acting cylinder control, air signal switching, and auxiliary pneumatic functions. Model Typical Port Direction Best Fit 3V110-06 G1/8 Small fixtures, compact panels, light actuator circuits 3V210-08 G1/4 General pneumatic machine control and medium air lines 3V310-10 Larger mid-range body Higher flow single-acting actuator control 3V410-15 G1/2 Larger air circuits and higher flow machine systems Choosing by Port Size…

3V Series Solenoid Valves for Single-Acting Cylinder Control

3V Series Solenoid Valves for Single-Acting Cylinder Control

Single-acting pneumatic cylinders need a valve that can both supply compressed air and release it when the actuator returns. This is one reason 3/2 way air solenoid valves are widely used in pneumatic automation. The 3V series provides several body and port size options for different machine layouts. In a single-acting cylinder circuit, the valve sends air to extend or actuate the cylinder. When the electrical signal changes, the valve exhausts air so the spring or external force can return the actuator. This simple function is used in clamping, pushing, lifting, stopping, ejecting, and indexing operations. Where 3V Series Valves Are Used 3V series valves are common in assembly stations, packaging equipment, fixture control, material handling systems, and pneumatic panels. Small machines may use the 3V110-06 3/2 Way Air Solenoid Valve G1/8, while general machine panels often use the 3V210-08 3/2 Way Air Solenoid Valve G1/4. Larger actuator circuits may require the 3V310-10 3/2 Way Air Solenoid Valve or 3V410-15 3/2 Way Air Solenoid Valve G1/2 depending on flow and port size. Application Why a 3/2 Way Valve Fits Single-acting cylinder extension and return Supplies air and exhausts the actuator line Pneumatic clamps and fixtures Provides compact electrical control of…

How to Choose Air Source Treatment Units for Pneumatic Machines

How to Choose Air Source Treatment Units for Pneumatic Machines

Air source treatment is one of the first points to check when a pneumatic machine becomes unstable. A cylinder may move slowly, a valve may switch inconsistently, or an air tool may lose power even when the compressor seems normal. In many cases, the real issue is not the actuator itself. It is poor filtration, unstable pressure, moisture in the line, or missing lubrication. For machine builders and maintenance teams, choosing the correct air source treatment unit helps protect pneumatic valves, cylinders, air tools, and fittings. The right combination can improve pressure stability, reduce contamination, and make daily maintenance easier. What an Air Source Treatment Unit Does An air source treatment system usually includes filtration, pressure regulation, and sometimes lubrication. Filters remove moisture and particles. Regulators stabilize outlet pressure. Lubricators add controlled oil mist when downstream tools or components require lubrication. Component Main Function Typical Product Direction Air filter Removes water and particles from compressed air AF series, filter regulator units Pressure regulator Controls outlet air pressure AR series, HR1, IR precision regulators Lubricator Adds oil mist for tools or components that need lubrication AL series lubricators FRL unit Combines filter, regulator, and lubricator functions AC, AFC, BFC, HFC, SFR…

Air Filter Regulators: Why Pressure Stability Matters in Pneumatic Lines

Air Filter Regulators: Why Pressure Stability Matters in Pneumatic Lines

Pressure stability is a basic requirement in pneumatic systems. If air pressure changes during operation, cylinders may move at different speeds, valves may respond inconsistently, and machine cycle time may become difficult to control. An air filter regulator helps solve two common problems at the same time: poor air quality and unstable outlet pressure. For OEM machines, packaging equipment, assembly stations, and air control panels, a filter regulator is often installed before solenoid valves, cylinders, grippers, or air tools. It helps keep the downstream circuit cleaner and more predictable. Why Pressure Fluctuation Causes Problems Compressed air demand changes during a machine cycle. When several actuators operate at the same time, line pressure can drop. If there is no proper regulation, one station may move slower than another. In precision or repeated motion applications, that difference can affect product quality and production rhythm. Issue Possible Cause Air Treatment Solution Cylinder speed changes Unstable outlet pressure Use a suitable pressure regulator Valve contamination Water or particles in air line Use an air filter or filter regulator Frequent readjustment Pressure drift or poor gauge reading Choose a stable regulator with gauge Tool power loss Pressure drop or undersized unit Check flow capacity and…