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advanced technology

Equipped with an advanced technology center and testing equipment to ensure our product technology is at the forefront.

Professional Team

We have assembled a team of experienced and highly skilled professionals to ensure our products and services remain industry-leading.

VARIOUS PRODUCTS

We specialize in providing high-quality air conditioning equipment, including but not limited to Air Grilles and Diffusers, Dampers and Duct Systems, HVAC Air Filters, Ducts and Accessories.

AFTERSALE SERVICE

Xiamen Zhongxinglong Air Conditioning Equipment Co., Ltd. is committed to offering customers full-spectrum support to ensure customer satisfaction and the long-term performance of the products.

28+Years of Experience
XIAMEN ZHONGXINGLONG AIR CONDITIONING EQUIPMENT CO.,LTD
Xiamen Zhongxinglong Air Conditioning Equipment Co., Ltd., established in 1997, is committed to being a leader in the global air conditioning equipment sector. As a privately-owned high-tech enterprise with the right to independent import and export, our products are distributed worldwide, serving customers in every corner of the globe.
  • ISO 90012024 quality system.
  • 360° After-Sales Support
  • Our products are distributed worldwide.
  • Customer satisfaction has exceeded 98.7% for five consecutive years.
hot sell
Hot Products
Wire Mesh Backed Composite Filter Media Roll
Wire Mesh Backed Composite Filter Media Roll

Wire Mesh Backed Filter Media Roll | HVAC Panel Filter Media
Wire mesh backed composite filter media roll for...

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Heavy-Duty Stainless Steel Baffle Grease Filter SEO Information
Heavy-Duty Stainless Steel Baffle Grease Filter SEO Infor...

Heavy-Duty Stainless Steel Baffle Grease Filter | Commercial Kitchen Hood Filter
Heavy-duty stainless steel...

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Activated Carbon Filter Media Roll
Activated Carbon Filter Media Roll

Activated Carbon Filter Media Roll | Carbon Air Filter Pads
Activated carbon filter media roll for air...

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Activated Carbon Pleated Air Filter
Activated Carbon Pleated Air Filter

Activated Carbon Pleated Air Filter | Air Purifier Replacement Filter
Activated carbon pleated air filter for...

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Aluminum Honeycomb Grease Filter
Aluminum Honeycomb Grease Filter

Aluminum Honeycomb Grease Filter | Kitchen Hood Oil Fume Pre-Filter

Aluminum honeycomb grease filter for...

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Stainless Steel Baffle Grease Filter
Stainless Steel Baffle Grease Filter

Stainless Steel Baffle Grease Filter | Kitchen Hood Grease Filter
Stainless steel baffle grease filter for...

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Stainless Foam Oil Fume Filter
Stainless Foam Oil Fume Filter

Stainless Foam Oil Fume Filter | Porous Grease Filter for Kitchen Exhaust
Porous metal foam grease filter for...

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Pre Filter And Pocket Filter Media Rolls
Pre Filter And Pocket Filter Media Rolls

Air Filter Media Rolls | Synthetic, DPA, Glass Fiber & Pocket Filter Media
Air filter media rolls for...

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Air Filter Media Rolls And Pads
Air Filter Media Rolls And Pads

Air Filter Media Rolls & Pads | Paint Booth, HVAC & High-Temp Filter Media
Air filter media rolls and pads for...

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Gel Seal Terminal Housing
Gel Seal Terminal Housing

Gel Seal HEPA Terminal Housing for Cleanroom Air Supply
Ceiling-mounted HEPA terminal housing with gel seal...

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Antibacterial Panel Filter
Antibacterial Panel Filter

HMA Antibacterial Panel Filter for Air Conditioning and Air Purification Equipment
HMA antibacterial panel...

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Paint Booth Ceiling Filters
Paint Booth Ceiling Filters

A Paint Mist Interception Solution for More Stable Airflow in Spray Booths
HBDPA ceiling paint mist filter...

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High Efficiency Oil Mist Separate Filter
High Efficiency Oil Mist Separate Filter

High Efficiency Oil Mist Separator for Fine Oil Mist Control in Industrial Air Systems

High efficiency...

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Washable Hood Grease Filter
Washable Hood Grease Filter

Stainless Steel Hood Grease Filter for Kitchen Hood and Flue Purification

Washable stainless steel hood...

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Honeycomb Grease Filter
Honeycomb Grease Filter

Washable Metal Grease Filter with Honeycomb Structure for Kitchen Exhaust Hood

Washable metal grease...

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Mini Pleat HEPA Filter
Mini Pleat HEPA Filter

H13/H14 Mini Pleat HEPA Filter for Clean Air Systems
H13/H14 mini pleat HEPA filter with fiberglass media,...

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INDUSTRY APPLICATIONS
Where Our Air Filters Are Used
WORKSHOP
Production Workshop Air Filtration
FOOD PROCESSING
Food Production Line Air Control
HEALTHCARE
Operating Room HEPA Air Supply
ELECTRONICS
Electronics Cleanroom Filtration

Competitive Advantage

  • 1
    Select a project

    Complete Process System

    We have more 6000 square meters factory and many professional engineers. Moreover,we have clean room producing lines,advanced facilities,and working strictly comply with ISO 90012024 quality system.

  • 2
    Project Analysis

    Technology Center

    Equipped with an advanced technology center and testing equipment to ensure our product technology is at the forefront.

  • 3
    Deliver Sample

    Production Market

    As a privately-owned high-tech enterprise with the right to independent import and export, our products are distributed worldwide, serving customers in every corner of the globe.

  • 4
    Order comform

    Technical Cooperation

    We have established close technical cooperation with domestic and international research institutes and universities to jointly develop new materials and air conditioning technologies.

Blog
HVAC Noise Reduction: Can Air Filters Help Make a System Quieter?

Jun 09, 2026

HVAC Noise Reduction: Can Air Filters Help Make a System Quieter?

Air filters are not silencers. They are not designed to replace acoustic duct lini

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Filter Media Rolls: How to Cut and Replace G3/G4 Pre-Filter Media Correctly

Jun 01, 2026

Filter Media Rolls: How to Cut and Replace G3/G4 Pre-Filter Media Correctly

A roll of pre-filter media looks simple. Cut it, fit it, replace it.
In re

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Can Activated Carbon Filters Remove Every Odor? The Adsorption Principle Expl...

Jun 01, 2026

Can Activated Carbon Filters Remove Every Odor? The Adsorption Principle Expl...

Odor complaints are usually treated as a “filter problem,” but not every smell can

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Air Filter Mounting Clips Guide: How to Choose A-Type, P-Type, and C-Type Fil...

May 28, 2026

Air Filter Mounting Clips Guide: How to Choose A-Type, P-Type, and C-Type Fil...

A filter can fail even when the filter media is correct.
The reason is oft

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The Overlooked Hero: Why a Quality HVAC Filter Holding Frame Matters

May 28, 2026

The Overlooked Hero: Why a Quality HVAC Filter Holding Frame Matters

A filter can only perform as well as the frame that holds it.
That sounds

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