DT SERIESBackward-Curved Cabinet Fan
For kitchen exhaust, building ventilation and factory supply/exhaust
View ProductKitchen ExhaustVentilation & Make-Up AirPurification SystemsFactory Exhaust & CoolingPre-sales · In-sales · After-sales
About Xin Chang Feng
Fresh air by Changfeng — a new generation of ventilation and environmental equipment.
With years of fan cabinet manufacturing experience, Xin Changfeng integrates R&D, manufacturing, sales and service. We focus on people, excellence and value, serving customers across industries with a professional team.
01R&D & Technical Consulting
02Manufacturing & Quality Control
03Pre-sales · In-sales · After-sales
Core products
Core Product Series
Choose a category to view the equipment and its typical applications.
DT SERIES
GX SERIES
ECO COOLING
NEGATIVE PRESSURE
MULTI-WING
4-72 SERIES
A3-48 SERIES
C3-48 SERIES
XBF SERIES
ROOFTOP
KTJ SERIES
FRESH AIR
KITCHEN AC
Quality system
Quality First, Customer Foremost.
We follow the ISO9001 quality management system, building quality control from design and processing through assembly and final inspection, with technical support for product quality and stable operation.
ISO9001 Quality Management
Full-cycleR&D · Manufacturing · Sales · Service
Solutions & application fields
Complete air solutions built around real application scenarios.
From sources of pollution, heat and space conditions, we coordinate exhaust, make-up air, purification, ventilation and cooling equipment.
01Commercial Kitchens
Kitchen Exhaust Purification
Hoods · Exhaust Fans · PurifiersCollecting, conveying, purifying and discharging kitchen oil fume in compliance.
View Solutions ↗02Hotel & Restaurant KitchensKitchen Make-Up Air & Cooling
Fresh Air · Air Balance · Spot CoolingSupplying make-up air to relieve negative pressure, heat and stuffiness.
View Solutions ↗03Workshops & WarehousesFactory Cooling & Heat Relief
Negative Pressure Fans · Coolers · VentilatorsContinuous air exchange that removes heat and delivers fresh air to key workstations.
View Solutions ↗04Chemical & Light IndustryIndustrial Exhaust & Ventilation
Centrifugal Fans · Duct Exhaust · Process AirMatching industrial fans to fume, odor, dust and system resistance.
View Solutions ↗05Complexes & HotelsCommercial Building Systems
Silent Cabinets · HVAC Supply · TendersBalancing airflow, pressure, noise, interfaces and project documents.
View Solutions ↗06Civil Buildings & Plant RoomsPublic Building Ventilation
Cabinet Fans · Supply/Exhaust · Low NoiseReliable ventilation equipment for building spaces and MEP systems.
View Solutions ↗Selected projects
From equipment delivery to real environmental improvement.
News & Insights
News, Industry Trends & Technical Insights
2026.08.15
工业通风系统设计中的能效与噪声平衡
设备选型需要综合考虑有效风量、系统阻力、运行效率…
Read Article ↗2026.08.15新长丰持续完善通风降温设备制造与服务体系
围绕研发、制造、质量检验和项目服务持续优化，为客…
Read Article ↗2026.08.15工业车间降温换气系统应该如何规划？
从空间、热源、空气路径和岗位需求出发规划高效可靠…
Read Article ↗Xin Changfeng keeps improving its ventilation and cooling manufacturing and service
How to plan an industrial workshop cooling and ventilation system?
Green manufacturing drives energy-efficient industrial ventilation
Five key points for daily inspection and maintenance of negative pressure fans
How do evaporative air coolers differ from traditional air conditioners?
How to coordinate commercial kitchen exhaust, make-up air and cooling
Key parameters for centrifugal fan selection
The value of water-cooled fresh air units in hot kitchens
Technical documents for fan cabinet tender projects
Low-carbon environmental solutions become a new choice for manufacturers
Guide to integrated oil fume purification and exhaust systems
How much inlet area for factory negative-pressure ventilation?
Troubleshooting abnormal noise in silent fan cabinets
Conditions for roof turbo ventilators on industrial roofs
Calculating duct velocity and cross-section for ventilation systems
FAQ
Questions you may have before purchasing.
We provide ventilation, cooling, exhaust and purification for commercial kitchens, and exhaust, ventilation and cooling for factories.
Our main products include cabinet centrifugal fans, evaporative air coolers, negative pressure fans, multi-wing centrifugal fans, centrifugal fans, roof turbo ventilators and KTJ silent fresh air cabinets.
Please provide the application, space dimensions, required airflow and static pressure, media temperature, installation conditions and noise limits.
We provide pre-sales consulting, in-sales support and after-sales service, helping customers with needs, selection and maintenance.
Contact XCFFJ
Get in touch with us
Hotline / Contact0755-28190482Manager Peng
Mobile / Email186663866411031420392@qq.com
AddressBuilding C, No. 102 Baigehu 67, Guanhu Street, Longhua District, Shenzhen, Guangdong, China