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Precision Sintered Metal Filters &
Industrial Humidity Sensor Solutions

OEM manufacturer of high-performance porous metal filters, diffusion stones, and temperature & humidity transmitters for semiconductor, bioreactor, food & beverage, and high-purity gas applications.

Our Product Range in Action

Sintered Stainless Steel Filter Disc

Sintered Stainless Steel Filter Discs

Porous Metal Filter Plate

Porous Metal Filter Plates

Diffusion Stone for Brewing

Aeration & Carbonation Stones

Temperature Humidity Transmitter

Industrial Humidity Transmitters

Bioreactor Sparger

Bioreactor Sparger Systems

Sintered Filter Cartridge

Sintered Filter Cartridges

Engineered for Precision & Reliability

HENGKO is a leading manufacturer of sintered porous metal filters and industrial temperature & humidity sensor solutions. With advanced sintering technology and strict quality control, we deliver high-performance filtration and sensing components trusted across industries.

Our OEM capabilities allow us to customize sintered metal filters, sensor housings, spargers, and diffusion stones to meet exact specifications for pore size, flow rate, pressure rating, and material grade — including food-grade, medical-grade, and semiconductor-grade stainless steel and bronze.

  • ISO-certified manufacturing processes
  • Custom designs from prototype to mass production
  • Global shipping with fast lead times
Sintered Filter Manufacturing

Advanced sintering and precision testing ensure consistent performance

Our Core Product Lines

High-quality sintered metal filters, sensor probes, and industrial components designed for durability, precision, and reliability.

Sintered Stainless Steel Filter

Sintered Stainless Steel Filter

Available in disc, tube, plate, and cartridge forms. Pore sizes from 0.2 to 100 microns. Ideal for high-pressure and high-temperature applications.

  • • Material: 316L, 304 Stainless Steel
  • • Pore: 0.2–100 µm
  • • Max Pressure: 100 bar
  • • OEM Customization Available
Sintered Bronze Filter

Sintered Bronze Filter

Oil-lubricated self-cleaning filters with excellent corrosion resistance. Commonly used in pneumatic systems and fuel filtration.

  • • Material: Sintered Bronze
  • • Pore: 10–200 µm
  • • Oil Retention: High
  • • Ideal for Fuel & Lubrication
Diffusion Stone Brewing

Aeration & Carbonation Stones

Micro-porous stones for beer brewing, hydroponics, and bioreactors. Ensures fine bubble dispersion for optimal gas transfer.

  • • Material: Stainless Steel or PTFE
  • • Pore: 0.2–5 µm
  • • Applications: Brewing, Bioreactors
  • • Sanitary & Cleanable
Humidity Sensor Probe

Humidity Sensor Probe

High-accuracy OEM humidity probes with 4-20mA, RS485, or I2C output. Designed for industrial and IoT environments.

  • • Output: 4-20mA, RS485, I2C
  • • Range: 0–100% RH
  • • Temp Range: -40°C to +180°C
  • • Fast Response & Long Life
Bioreactor Sparger

Bioreactor Sparger

Micro-spargers for oxygenation in fermentation and cell culture. Ensures uniform bubble distribution and high mass transfer efficiency.

  • • Material: 316L SS
  • • Pore: 0.2–2 µm
  • • Sterilizable & CIP Compatible
  • • For Fermenters & Bioreactors
Sintered Filter Cartridge

Sintered Filter Cartridge

High-flow, high-efficiency cartridges for liquid and gas filtration. Reusable and cleanable for long service life.

  • • Length: 10” to 40”
  • • Pore: 0.2–100 µm
  • • Max Temp: 300°C
  • • Reusable & Backwashable
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OEM Sintered Components

Custom porous metal parts including cups, tubes, discs, and flow restrictors. Ideal for medical, semiconductor, and analytical instruments.

  • • Full Custom Design Support
  • • Small to Mass Production
  • • Certified Materials
  • • Fast Prototyping
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Dew Point & Temp Transmitter

High-temperature dew point sensors with digital and analog outputs. Suitable for compressed air, gas drying, and industrial processes.

  • • Dew Point Range: -100°C to +20°C
  • • Output: 4-20mA / RS485
  • • High Temp Models Available
  • • Stable & Low Drift

Why Choose HENGKO?

Engineered for performance, precision, and long-term reliability.

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OEM Customization

We support full custom designs — from concept to production — with fast turnaround and strict quality control.

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High-Purity Standards

Our filters meet semiconductor, pharmaceutical, and food-grade requirements with ultra-clean processing.

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Global Supply

Trusted by clients worldwide with reliable shipping and responsive technical support.

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Durable & Reusable

Sintered metal filters are cleanable, backwashable, and built to last — reducing long-term costs.

Applications Across Industries

Our components are trusted in critical environments worldwide.

Semiconductor Manufacturing

Ultra-high purity gas filtration with sub-micron sintered filters to prevent contamination.

Bioreactors & Fermentation

Micro-spargers and oxygen diffusers for efficient cell culture and microbial growth.

Food & Beverage

Sanitary carbonation stones, beer aeration, and liquid filtration systems.

Pharmaceutical

Sterile filtration, venting, and gas dispersion in cleanroom and GMP environments.

Industrial IoT

Smart humidity and temperature sensors with digital outputs for monitoring and control.

Compressed Air Systems

Air filter cartridges, muffler silencers, and dew point monitoring solutions.

Comprehensive Support

We provide technical documentation, product videos, and expert guidance to ensure your success.

Download Center

Access product datasheets, CAD drawings, and technical manuals.

Visit Downloads →

Product Videos

Watch installation guides, testing procedures, and application demos.

Watch Videos →

FAQs

Find answers to common questions about filtration, sensors, and customization.

Read FAQs →

Ready to Customize Your Solution?

Contact HENGKO today for expert support, technical consultation, or a custom quote.

Visit Official Website to Contact

Explore our full product catalog, download resources, and connect with our engineering team.

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