
Xiamen Zhongxinglong Air Conditioning Equipment Co., Ltd.
Established in 1997, is a high-tech enterprise specializing in the research, development, manufacturing, and export of air filters and purification equipment. We strive to become a global leader in the air conditioning equipment industry.
Our factory, covering over 6,000 square meters, features cleanroom-standard workshops specializing in the production of HEPA and ULPA filters. Equipped with equipment such as filter folding machines and air velocity meters, our team of engineers oversees product design and quality testing, ensuring that every batch meets quality standards.

Quality Certifications
We are ISO 9001 certified, ensuring strict adherence to standards throughout our production processes. Our products are designed in accordance with national GB/T and international EN air filtration standards, and some are CE and UL certified, meeting European and US safety and performance requirements to ensure consistent filtration results.
Our Products
We specialize in providing air filtration and ventilation system products, including ventilation grilles and diffusers for even indoor air distribution; dampers and ductwork for airflow control; air filters for effective air purification; and a variety of piping accessories to meet installation needs.




Product Applications
Our products are suitable for a variety of applications, including building ventilation, air purification in industrial production and processing, filtration for refrigeration equipment, exhaust for chemical plants and combustion equipment, air treatment for ships and offshore facilities, ventilation and conditioning in agricultural environments, and ventilation for underground spaces and tunnels.
Product Market
As a privately-owned high-tech enterprise with independent import and export rights, our products are primarily exported to the Middle East, Southeast Asia, Europe, South America, and other regions. Our customers primarily include local filter brands, equipment manufacturers, and industrial distributors. Annual exports account for over 80% of our total production capacity.
Market Positioning and Core Competitiveness
Core Advantages
- Technology: H13/H14 filters with a leakage rate of ≤0.01% meet the stringent standards of the biopharmaceutical and semiconductor industries.
- Design: Ultra-thin (150-220 mm height) and removable design effectively save space during facility renovations.
- Energy Savings: Utilizing EC motor technology, energy consumption is reduced by over 50%, and airflow is adjustable (500-3000 m³/h) for dynamic control.
Market Demand and Customer Value
- Basic Requirements: Ensure compliance with GMP and other compliance standards, and high equipment reliability (MTBF ≥ 50,000 hours).
- Expected Improvements: Support for modular installation, extending filter replacement intervals by 30%.
- Innovative Highlights: Support for IoT group control systems, and custom anti-static coatings.
Competitive Strategy and Market Penetration
- Star Product: Liquid Tank Sealed Air Outlet, holding a 25% market share and serving top biopharmaceutical customers.
- Stable Profitability: FFU units boast a 35% gross profit margin, leading the electronics manufacturing industry.
- R&D Investment: Fire and Pressure Relief Valves account for 12% of R&D investment, and the company is actively expanding into the industrial fire safety market.

Market Entry Strategy
- Sales Tools: Provide 3D product catalogs, ROI calculators, and installation simulations to help customers make quick decisions.
- Industry Solutions: Customized solution cases for the pharmaceutical, electronics, and food industries through technical roadshows.
- Service Guarantee: Establish a 48-hour emergency response and annual maintenance service system, achieving a 92% customer retention rate.

