China Workshop ventilation equipments ventilation fan used hammer to open shutter hammer exhaust fan

Belt Pulley

1. Material: High strength aluminum-magnesium alloy by die-casting.
2. Blast-sanding treatment, eliminate internal stress to improve its own rigidity and stability
Advantage:
Light weight, Low vibration ,attractive appearance.

Italligent Dynamic-balance Tester

Fan blades are adjusted by Intalligent dynamic-balance tester, the weight tolerance of each blade is controlled within 1g. 

Opening System

1.Material: High quality Nylon PA66
2.Guide Rod: 304 stainless steel with special material outside, high strength, no rust, reduce friction.
3.Rivet: 304 stainless steel , wear-resisting, no rust.
Advantage:
It can keep the shutters open at complete 90 degree to ensure the lowest air resistantce and biggest air volume.

Bearing

imported double-row bearing with special waterproof design.
Advantage:
High strength, low noise, free maintenance and long service life.

Belt

Brand: Mitsuboshi belt (Japanese)
Type: A type
Advantage:
Famous brand, Long service life, maintenance free

Safe Net

Material: Hot-dip galvanized wire is coated with Plastic
Advantage:
Double Protection to ensure never rust.

Motor

1. Brand: Chinese famous motor, Siemens motor, ABB motor and WEG motor
2. Motor Protection Grade: IP55
3. Isulation Class: F grade
Advantage:
Motor voltage and frequency can be customized.
Chinese famous motor OEM by special design for fan, the first put in the phase lack protection device which would power off when shortage of electricity.

Blade Support base

1.Material: Aluminum Magnesium Alloy.
2. Type: Plug-in connection
Advantage:
Compare with the traditional welding connection , Our new type Aluminum magnesium alloy base has greatly reduced the friction coefficient, fixed more firmly, avoided 

Certificate

Yuyun Sanhe Company have gotten many titles such as "China Ten Top Brands Fan" "AAA level of National Quality Company" "Honesty and Qualitative Enterprise",  "Alibaba Assessed Supplier".  International authority certified, Trustworthy
Yuyun Sanhe Products have passed "CE Certificate ", "CCC Certificate" and "Quality Management System Certificate"

Factory&Workshop

No.1 ventilation equipment manufacturer in China, equipped with the most advanced CNC production lines and laser cutting machines, top quality level in the industry. 

95% of the parts are produced by ourselves, reducing the cost of processing ,sharing profits with customers, ensuring quality , utmost cost-effective globally

Many customers from all over the world come to visit our company every year.  Our company is highly praised by customers

Yuyun Sanhe Products have been exported to more than 70 countries in Asia, Europe, America, Australia, etc.

Global service, Annual sales over $ 30 million

Yuyun Sanhe Company attend  many domestic exhibitions and abroad exhibitions every year to promote our products,  Continuous improvement in communication with customers

Our Service

Yuyun Sanhe has 20+ years of professional design and production experience, more than 300 efficient R & D and production team.

Pre-Sales Service

* Inquiry and consulting support.
* Sample testing support.
* Visit our Factory.

After-Sales Service

* Training how to install the machine, training how to use the machine.
* Engineers are available to service machinery overseas.

Main Product

Yuyun Sanhe Main Products are Ventilation fan, Evaporative Cooling Pad, Evaporative Cooling Pad Production Line, Greenhouse Fan, Cow House Fan, Shutter Louver, Heater, Air Inlet, Light Filter, Winch, Pulley, Time/Temperature Controller, Laying Nest etc.