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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 WangEmail: chris@dingtong.net.cn songyanmiao@hotmail.com

Ding Tong Precision Metal Co. Ltd

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2003. 4 ----Established Dong Guan Ding Tong Precision Metal Co., Ltd

Total Investment: $ 4,000,000Employee: 300Workshop Area: 6500M2

2004. ---- Certified ISO 9001: 20002007. ---- Certified ISO 140012009. ---- Established 2nd plant in Henan Province2010. ---- Set up sales offices in ShenZhen; HangZhou, ZhongShanManagement concept: Pursuing excellence; Being brave in innovation; working professionally

Company Milestone

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Main Customers

Herbing HaiGeAmphenol-TCSMolex ChinaXiamen HualianPulse ChinaFCI GlobalNew Concept Technology USExecutool USSchaeffler USBurberg-Eicker GermanSamtec US

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Design & build Precision stamping diePrecision stamping productionDesign & build injection moldPrecision Injection High precision Tooling Spare PartsPrototype (soft) mold & dieOvermolding / insert molding

Business scope

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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: 80High experienced tool maker: 30 (more than 10 years)

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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

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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

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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

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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%GFCycle time: 21.8SCavity: 4Slide: 12Tolerance: +/-0.1mm

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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

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Products

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Products

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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

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Spare parts

Die components

Profile Grinding and Wire cutting components

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Spare parts

Fixture componentsRa >0.2

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Spare parts

CNC Machine mainly specialized in manufacturing electrode.

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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.

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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.

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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

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Production Equipment List (2 plants)

150AT-500 NDS

160JH21-60

1110JH21-110

330~60Koyri

180XingLi

2250RiShengOvermolding Press

1Plating

8Auto Assembly Machine

4100Shuenn SJ-100TCMolding Press

5100~160HuaChan HC-A120T

QTYTonMODELQTYTonMODEL

Stamping Press

180J21-80A

325DongTai

525~50Micron525~35Micron

DingTong HenanDingTong DG

Will be arrive in Dec. 2010

Confidential

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Inspection Equipment List (2 plants)

3+/-0.003mmDC30009+/-0.003mmDC3000

1+/-0.001mmTrimos1+/-0.001mmTrimos

1HR Test

3+/-0.001mmNikon3+/-0.001mmNikonHeight Gauge

1+/-0.001mmTesa

1On Procurement

Smartscope Zip250

OGP

1HV-100HV Test

1+/-0.003mmWCPJ-3015ZProjector

QTYPRECESIONMODELQTYPRECESIONMODEL

2+/-0.001mmVTM-1510Micro-Scope

DingTong HenanDingTong DG

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Workshop

Surface Grinders – 40 setsEDM – 15 sets

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Workshop

WEDM- Charmilles (2)-Sodick (2)

Brand new machines

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Workshop

Profile Grinders -Japan Waida

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Certified ISO 9001: 2000 in 2004Certified ISO 9001: 2000 in 2004

Test Shop

Quality Guidelines

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Quality Garantee

Measuring Equipment

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Environment Management System

Certified ISO 14001 in 2007By TUV

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Sales Amount (DongGuan plant)

Yearly Sales (million USD)

1.52.5

4.5

6.5

8.59.5

1112

0

2

4

6

8

10

12

14

2003 2004 2005 2006 2007 2008 2009 2010

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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%

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1, DingTong will continue focus on new mold/die development, tooling spare parts, molding and stamping production. To investmore 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

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Product show

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Tool Shop

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Testing room

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Wire bonding & Die bonding shop

Plating Shop

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Thank you!

DingTong Precision Metal Co., Ltd.