CZHD--Since 1994, A Joint Venture Capital from China Mainland & Spain HR & DIEMEN EFITER.

"HENGNIU"--The Unique Transformer Brand, Listed on the Top 10 China Famous Component Brands in 2011.

Only focuses on toroidal transformer, toroidal core and EI tranformer.

Main Products:
A. CRGO Toroidal Core:
BDV Core: P1.5/50: 0.85W/Kg (Sheet Thickness: 0.23mm)
DV Core: P1.5/50: 1.0-1.2W/Kg (Sheet Thickness: 0.27mm),
CV Core: P1.5/50: 1.5W/Kg (Sheet Thickness: 0.3mm)
B. Linear Toroidal Transformer: 8VA to 30kVA
C. Linear EI Transformer: 1VA to 120VA
D. PCB EI Transformer: 1VA to 25VA
E. Encapsulated Transformer:
A) Encapsulated Linear Toroidal Transformer: 40VA to 120VA with plastic shell, above 120VA with iron shell.
B) Encapsulated PCB Toroidal Transformer: 8VA to 120VA, Pins Ajustable Freely
C) Encapsulated PCB EI Transformer: 1VA to 15VA
F. Special Transformer with Minum Power Loss
G. Low Voltage Power

OEM, ODM, Customer-designed Draft / Sample / Specification Acceptable.

Transformer's feature:
Good Price-Function Ratio
Reliable Performance and Safety
Small Volume & Low Weight
Low No-load Losses
Low Mechanical Hum
Good Shielding Performance, Low Magnetic Leakage
High Efficiency
Low Operating Temperature-rise
Dimension Adjusted Freely
Easy to Mount & Fast
Excellent Workmanship

Know-how Technology
A. Special Treatment to improve electronic data:
A) Anneal the core with Nitrogen and Hydrogen in advance vacuum annealing furnaces
B) Weld the core by Laser Welding to achieve a high accuracy
B. Power Loss at P1.5/50: 0.85W/Kg (Sheet Thickness: 0.23mm
C. Surface Treatment of Toroidal Core: Vanished or epoxy coated.
D. HDV Series HI-FI Transformer
A) High Quality Core: Wound by a whole high quality oriented grain cold rolled silicon sheet carefully selected, and annealed by advance vacuum annealing furnaces to result in the best electronic data.
B) Strict Hum Control: Applying our Know-how Technology and special treatment into practice, also involving a strict Listen Test by our technician in each lot to minimize hum to zero

Testing Items:
No-load Test
Load Test
Inductive Voltage Test
Withstanding Voltage Test among the Turns
DC Resistance Test
Safety Test

Installation
Horizontal (Non-conventional-type base plate), Sunk, Side Type, Bridge.

Application: Electronic Control, Cable TV & Digital TV, HI-FI (Audio-Video) Equipment, Medical Equipment, New Electric Power Supply, Electronic Meter & Apparatus, Decorative Illumination System
Security Monitor & Control System etc.

Main Customer:
Overseas: ABB, Denmark Foss, Netherlands Inrada, USA Gallien, Australia JOY, Russia Asteroid, Japan Wireless Tsukamoto, South Korea Choyang Medical
China Domestic: Chonghong Electric, Tsinghua Tongfang, Hushan Electronic etc.

Service: R & D., manufacture and sale.

Certification: ISO9001, CESI, UL, CE and RoHS.

Productivity: Toroidal / annular / ring transformer 3.2 million PCS, EI transformer 3 million PCS annually; Annular iron core over 300 tons monthly.

Workforce: About 400 workers, 26 technicians, 2 senior engineers

Equipment: Over 100 sets of Toroidal Winder, 3 EI Transformer Lines, 4 sets of Annealing Furnaces, A set of Nitrogen and Hydrogen Production Equipment, 5 sets of Sheet Cutter, 5 sets of Laser Welder, A set of Automatic Dispenser, A set of Industrial Continuous Ink Jet Printer

Location: 15 km away from Shuangliu International Airport, Chengdu, Sichuan, China. Sichuan is the hometown of the world famous Great Panda.

Area: 5 acres with floor area of 15, 000 square meters.

Member Since: 2008

Last Logon Date: May 21, 2012

Business Type: Manufacture

Annual Turnover: 5 ~ 10 Million US $

Number of Employees: 201 ~ 500

Business Scope: Electrical & Electronics