Dingtong File 2010 Rev.E

2010-11-1 1
Warmly
Welcome！
Address: New Industrial Area of Xian xi, Chang an Town, Dong guan, China. 523846
Tel: 0086-769-85377166-825 Fax: 0086-769-85377177
Contact: Chris Song / Oscar Zhong / Leo Wang
Email: chris@dingtong.net.cn songyanmiao@hotmail.com
Ding Tong Precision Metal Co. Ltd

2010-11-1 2
2003. 4 ----Established Dong Guan Ding Tong Precision Metal Co.,
Ltd
Total Investment: $ 4,000,000
Employee: 300
Workshop Area: 6500M2
2004. ---- Certified ISO 9001: 2000
2007. ---- Certified ISO 14001
2009. ---- Established 2nd plant in Henan Province
2010. ---- Set up sales offices in ShenZhen; HangZhou,
ZhongShan
Management concept: Pursuing excellence; Being brave in
innovation; working professionally
Company Milestone

2010-11-1 3
Main Customers
Herbing HaiGe
Amphenol-TCS
Molex China
Xiamen Hualian
Pulse China
FCI Global
New Concept Technology US
Executool US
Schaeffler US
Burberg-Eicker German
Samtec US

2010-11-1 4
Design & build Precision stamping die
Precision stamping production
Design & build injection mold
Precision Injection
High precision Tooling Spare Parts
Prototype (soft) mold & die
Overmolding / insert molding
Business scope

2010-11-1 5
Engineering
Mold designers: 6, The average experience is more than 6 years.
Software: Pro-E & AutoCAD. Mainly specialized in design the mold in
Computer connectors, Automotive connectors & Overmolding.
Normally they can design 12 sets a month.
Die designers: 5, The average experience is more than 6 years.
Mainly specialized in design the stamping die in Lead frame,
Computer terminals and Automotive terminals. Normally they can
design 10 sets a month.
Drawing engineers: 2, The average experience is more than 4 years.
Technical engineers: 2, The average experience is more than 5
years.
Tool maker: 80
High experienced tool maker: 30 (more than 10 years)

2010-11-1 6
Precision stamping die
We will continue to focus on Lead frame and Automotive terminals.
And at present we have 10 press mainly to do the Lead frame
production. The daily capacity is 2 million pcs. In the other hand, we
already purchased Koyri press to do the production of high-precision
Automotive terminals and other high-precision connectors.
Included design, build, debug the below parts,
we only use 7 weeks to give the good parts to
our customer.
Material: CuNiSi Y550
SPM: 400 1 out 1
Pitch: 7.5mm
Part tolerance: +/-0.03mm Min

2010-11-1 7
Stamping die
This is a high precision stamping die in Lead Frame.
Material: 42 alloy
SPM: 400 1 out 1
Pitch: 15.24mm
Tolerance: +/-0.02mm

2010-11-1 8
Stamping Die
High precision stamping die for Airmax
The material is C5210-H03.
Pitch: 14.00
The smallest punch: 0.25mm.
The product tolerance: +/-
.02mm
SPM: 400-450

2010-11-1 9
Precision Injection Mold
We will also continue focus on building the injection mold in
Computer connectors, Automotive connectors and etc.. At
present, we have 9 injection machines to do the injection of
Computer connectors and Automotive connectors for our global
customers. The daily capacity is 200.000 pcs.
Material: PBT+30%GF
Cycle time: 21.8S
Cavity: 4
Slide: 12
Tolerance: +/-0.1mm

2010-11-1 10
Precision Injection Mold
• This is a assemble parts used in
Automotive. We design and build the
stamping dies and molding tools as well
as assembly. Customer is highly satisfied
by the parts.
• Mold information: HM120
• Material: PBT+30GF
• Cycle time: 35S
• Cavity: 2
• Slide: 4
• Tolerance: -0.05mm

2010-11-1 13
Spare parts
we also fabricate all kinds of spare parts in stamping die and injection
mold, fixture tool, automatics, as well as lathe-made components. The
typical tolerance is +/-.002mm. The monthly processing hour is around
more than 30 thousand.
Mold components

2010-11-1 14
Spare parts
Die components
Profile Grinding and Wire
cutting components

2010-11-1 15
Spare parts
Fixture components
Ra >0.2

2010-11-1 16
Spare parts
CNC Machine
mainly specialized
in manufacturing
electrode.

2010-11-1 17
Prototype (soft) Die & Mold
• As per customers’ requirements, we
also build the prototype tool in Die,
Mold and Overmolding. According to
the class/level of the tool, we can
deliver the good sample in 1~4
weeks include design, build and
debug.

2010-11-1 18
Overmolding
We fabricate the overmolding in Automotive connectors
and IC semiconductor areas.
This is a new
overmolding parts we are
making for one of our
German customers.

2010-11-1 19
Tooling Equipment list (2 plants)
6+/-0.01mmPassion PD-350
5+/-0.002mmHyFair HF6184+/-0.002mmHyFair HF618
16+/-0.002mmHyFair HF61415+/-0.002mmHyFair HF614SG
1+/-0.02mmDK-77353+/-0.02mmDK-7735FC
1+/-0.001mmWaida 2550PG
3+/-0.003mmSodick AQL-3602+/-0.003mmCharmilles CUT-20WEDM
2+/-0.003mmSodick AQL-600D
QTYPRECESIONMODELQTYPRECESIONMODEL
2+/-0.01mmDMG CTX-310CNC
2+/-0.03mmDATONG-M45+/-0.03mmDATONG-M4Milling M
2+/-0.002mmSodick CNC AD30LS
1+/-0.005mmAD Spark AF-1100
8+/-0.005mmCreator CJ-2356+/-0.005mmCreator CJ-235
S-EDM
DingTong HenanDingTong DG

2010-11-1 20
Production Equipment List (2 plants)
150AT-500 NDS
160JH21-60
1110JH21-110
330~60Koyri
180XingLi
2250RiShengOvermolding Press
1Plating
8Auto Assembly
Machine
4100Shuenn SJ-100TC
Molding Press
5100~160HuaChan HC-A120T
QTYTonMODELQTYTonMODEL
Stamping Press
180J21-80A
325DongTai
525~50Micron525~35Micron
Will be arrive in
Dec. 2010
Confidential

2010-11-1 21
Inspection Equipment List (2 plants)
3+/-0.003mmDC30009+/-0.003mmDC3000
1+/-0.001mmTrimos1+/-0.001mmTrimos
1HR Test
3+/-0.001mmNikon3+/-0.001mmNikon
Height
Gauge
1+/-0.001mmTesa
1On
Procurement
Smartscope
Zip250
OGP
1HV-100HV Test
1+/-0.003mmWCPJ-3015ZProjector
QTYPRECESIONMODELQTYPRECESIONMODEL
2+/-0.001mmVTM-1510Micro-Scope

2010-11-1 22
Workshop
Surface Grinders – 40 sets
EDM – 15 sets

2010-11-1 23
Workshop
WEDM- Charmilles (2)
-Sodick (2)
Brand new machines

2010-11-1 24
Workshop
Profile Grinders
-Japan Waida

2010-11-1 25
Certified ISO 9001: 2000 in 2004Certified ISO 9001: 2000 in 2004
Test Shop
Quality Guidelines

2010-11-1 26
Quality Garantee
Measuring Equipment

2010-11-1 27
Environment Management System
Certified ISO 14001 in 2007
By TUV

2010-11-1 28
Sales Amount (DongGuan plant)
Yearly Sales (million USD)
1.5
2.5
4.5
6.5
8.5
9.5
11
12
0
2
4
6
8
10
12
14
2003 2004 2005 2006 2007 2008 2009 2010

2010-11-1 29
Sales allocation proportion
1. Stamping Die: 2%
2. Injection Mold: 3%
3. Die & Mold components: 12%
4. Stamping production: 55%
5. Injection projection: 28%
6. Export percentage: 30%
7. Domestic percentage: 70%

2010-11-1 30
1, DingTong will continue focus on new mold/die development,
tooling spare parts, molding and stamping production. To invest
more people, more tooling equipment, stamping press, molding
press etc.
2, In the year of 2009, we set up a 2nd plant in Henan province,
which mainly develop in IC, semiconductor, overmolding, insert
molding and etc. areas. The total investment is reached $6
million. The plant area is around 10000 square meters. We will
continuously expand our plant, enhance production ability and
improve product quality to satisfy our domestic and global
customers requirements.
Developing plan

2010-11-1 34
Wire bonding & Die bonding shop
Plating Shop

2010-11-1 35
Thank you!
DingTong Precision Metal Co., Ltd.

Dingtong File 2010 Rev.E

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Dingtong File 2010 Rev.E