1. DA CHANG MANUFACTURING

2. WHO WE ARE
• Establishedin1988
• Over 600 employees
• Over 400,000 sqft manufacturing
plantlocatedin Dongguan, China
• Serve clientsfrom emerging
enterprises to fortune 500
companies
• The most trusted design,
manufacturingpartner for our
industrialclientsfrom various
sectors
WHAT WE DO
• Design, develop and delivery the
best qualityproducts to our
clientsto help them succeed
• Developlong-term sustainable
partnershipswith globalclients
from various sectors by focusing
on their objectives, priorities and
deliveryneeds
• To be a one-stop manufacturing
solutionprovider
DA CHANG
EMS(Electronic
Management
Services)
Contract
manufacturing
Electro-
Mechanical
Modules
GFCI
Manufacturing

3. At Da Chang, we deliver not just products, but total solutions that meet the
needs of our diverse client base.
Our capabilities cover the entire spectrum of expertise required to develop or
co-develop turnkey projects. Da Chang engineering teams are able to
conceptualize,design, prototype,test and bring your product into production.
 Mechanicaldesign
 Electro-mechanicalmodule design
 Custom electronics design and manufacture
 Design for manufacturing
 Regulatory complianceengineering & testing
(UL, CSA, ETL, FCC, CE etc)
One-stop manufacturing solutions
ManufacturingDesign & ManufacturingConcept& Prototyping
Contractmanufacturing
Co-development& manufacturing
Originalbrand products

4. Da Chang is a market leader for portable GFCIs since the early 2000s .
Below are our “Wellong” series GFCIs. All of our GFCIs are UL/CUL
listed. Other than our standard models, we can also custom design
GFCIs to fit your specific needs.
GFCI APPLICATIONS
GROUND FAULT CIRCUIT INTERRUPTER

5. Defond is today a reputed supplier of components for home appliances
and various industrial applications. Da Chang formed strategic alliance
with Defond since early 1990s. Da Chang manufactures and distributes
Defond switches.
Slideswitches •Hair dryer
•heater
Rocker switches •Blow dryer
•Coffee maker
•Hot gun
Rotaryswitches •Fan
•Heater
•Airconditioner
Microswitches •Safety device
•Oven
•Mouse
Push switches •Vacuumcleaner
•Sander
Keyboardswitches •Fan
•Blender
DEFOND SWITCHES, SOLENOID PUMP & VALUES
Plastic Valve(NSF)SolenoidPump
SolenoidMetalValve

6. MANUFACTURING CABAILTIES
• ISO9001 Certified
• UL/ENEC Certified Laboratory
• SMT Assembly
• Plastic Injection
• Metal Stamping
• Coil Winding Assembly
• Mechanical Assembly
• Electronic Assembly
• RoHS
• Lead Free Soldering
• 400,000 sq.ft. manufacturing space

7. UL/ENEC CERTIFIED LABORATORY
GFCI/ALCI Life Test
Chamber/DC load Switch Life Test
Flexing Test

8. Da Chang Industries Ltd.
HK Address
14th/F, Greatmany Centre, Queen’s Road East
Wanchai,Hong Kong
ChinaAddress
26/F, Peace Plaze, ChangpingTown, Dongguan City
GuangdongProvince, P.R.C
ContactPerson: Alan Y. Tan
Phone number: (852) 9821-8996
Email:alan@dachangorg.com