吉川工業株式会社

YOSHIKAWA KOGYO CO., LTD.（YOSHIKAWA HI-PRECISION KIMITSU FACTORY）

Company prospectus

YOSHIKAWA KOGYO CO., LTD.

吉川工業株式会社 1

◆ Company profile HQ address: 2-1-2, Ogura, Yahata-higashi-ku,

Kitakyushu-shi, Fukuoka 805-8501 JAPAN

Initiation: 1920/5/23

Capital: 100 Million YEN

Number of employees: 1,456（As of Oct. 2013）

3,500（Include relevant group company, domestic 8 & overseas 2 companies）

◆ Business outline 1) Recycle of steel and titan, Auto recycle business

2) Engineering and equipment business

3) Surface treatment business

4) System development(Yoshikawa Systec Co., Ltd.)

5) Machine assembly and maintenance(Yoshikawa Kikai Co., Ltd.)

6) Electronics and precision business(Yoshikawa Seimitsu Co., Ltd. /YHPC/Yoshikawa

High Precision Shenzhen Co., Ltd.)

7) Electronics SC・ODM・RFID business ： YRSC

Profile: YOSHIKAWA KOGYO CO., LTD.

YOSHIKAWA KOGYO CO., LTD.

吉川工業株式会社 2

《 Steel business 》

Recycle of steel >>> Separate collection, cut, fracture, and delivery, etc.Process for semi products >>> Cut, paint and maintenance for mill roll, etc.Production steel test piece>>> Production of work for quality test

《Surface treatment business 》

Suberanto(thermal sprayed steel sheet)，water pipe bridge，ceramic manhole, plated CFRP roll, impression cylinder jacket

《 Electronics business 》《 Engineering business 》

・Assembly /test of semiconductor business・Precision-pressed electronics parts business・RFID business・Plastic midair package business

Medical-related automatic equipment, Semiconductor-related automatic equipment, Vacuum packing machine, Gas piping work, Recycling（dismantling and recycling of ELV）

YOSHIKAWA KOGYO CO., LTD. Business outline

YOSHIKAWA KOGYO CO., LTD.

吉川工業株式会社 3

YOSHIKAWA group network

Muroran branch

Tokyo branchKimitsu branch

Yoshikawa Hi-precision Kimitsu factory

Nagoya branch

Sakai branch

Gas piping work business Establishment

Surface treatment business establishment

Hirohata branch

Yahata branchTitanium recycle factory

Engineering facilities divisionTobata office

Yoshikawa Kogyo RF Solution CenterYoshikawa Hi-precision Kitakyushu factory

Hikari branchOita branch

Singapore representative office

Yoshikawa Hi-precision Shenzhen Co., Ltd.

YOSHIKAWA RF SEMICON Co., Ltd. (Tokyo HQ)

East-Japan Auto recycle Co., Ltd.

YOSHIKAWA RF SEMICON Co., Ltd. (Miyazaki HQ)

Yoshikawa Seimitsu Co., Ltd.

Yoshikawa Kikai Co., Ltd.

Yoshikawa Systec Co., Ltd.

West-Japan Auto recycle Co., Ltd.

YOSHIKAWA KOGYO CO., LTD.

吉川工業株式会社 4

◆Factory name： YOSHIKAWA KOGYO CO., LTD. Yoshikawa Hi-Precision Kimitsu Factory

◆Address： 1038-2, Hitomi, Kimitsu-shi, Chiba 299-1147 JAPAN

◆History： 1988/4/1 Established Yoshikawa Hi-Precision Division ［1st plant 450m2 completed］

1989 Executed the second phase construction to enhance press dept.

［2nd plant build 500m2］

2000 Executed the third phase construction to enhance press dept.

［3rd plant build 1,000m2］ ◆Employees： 85

◆Business outline： Manufacturing of precision press parts(press work, plating)

◆Quality system： ISO9002 1994ver. certification registered（2000/1/17）

JQA-QM5591［Manufacturing of metallic press precision parts for electronic devices］

ISO9001 2008 ver. revised（2010/10/22）

ISO14001 2004 ver. certification registered（2003/4/18）

JQA-EM3142 ［Manufacturing of metallic press precision parts for electronic devices］

Profile: Yoshikawa Hi-Precision Kimitsu Factory

YOSHIKAWA KOGYO CO., LTD.

YHPC Kimitsu Factory

吉川工業株式会社 5

Punching

Forming

Swaging

Bent

Drawing

Punch～Plating

Seal ring L/F

Forming processed product

SwitchConnector

Bent CAP

Drawing processed product

LID for Crystal＆SAW device

Our processed product family

Compounding

YOSHIKAWA KOGYO CO., LTD.

吉川工業株式会社 6

■LID for ceramic PKG

Crystal device

・SAW filter・Oscillator

・TCXO/VCXO

Sensing device

・G sensor・Yaw rate sensor・Gyro sensor

■Precision drawing product

・Camera module・Laser CAP・HF device cover

・CCFL electrode

Use application example for precision-pressed products

PDASmartphone

ＰＣAV equipmentLCD monitor DVC/DSC

In-vehicleCar navigation system・GPSSatellite/ground wave

communications

YOSHIKAWA KOGYO CO., LTD.

吉川工業株式会社 7

Utilize our technology based on tooling manufacture, we can correspond with various press work, like punch, form, swage, and drawing for metal press processed product for electronic device.

Manufacturing the lid for SMD ceramic PKG as 400 million pcs/month.Our share of international market:22％（research by us）

Available for drawing process by progressive tooling, and we can process for unworkable material (such as Mo, Nb)or sharp-edge drawing CAP(inner R: 0.03).

Precision punch processed product Drawing processed product

Precision-pressed business for electronics device

Precision punch process

Drawing process

YOSHIKAWA KOGYO CO., LTD.

吉川工業株式会社 8

Available for less-dust plating process(bulk plating) by implementing Ni plating on thin plate.

For heat sink used copper material, enable the material cost to cut 30% by transfer press process(compare to progressive pressed product)

Available for new parts proposal by swaging process for MIM processed product or press processed product.

Precision-pressed business for electronics device

Forming process

Swaging process

Ni plating process

YOSHIKAWA KOGYO CO., LTD.

吉川工業株式会社 9

Facilities synopsis

Press machine

Barrel machine

Plating installation

Washer installation

Centrifugal type

Straight-side

C frame

Transfer

Link motion

EP Ni line

ELP Ni line

Automatic vacuum

Rotary vacuum

Line washing

9

18

5

1

3

4 lines

2 lines

1

1

1 line

C frame 25t Link motion press80t Transfer 80t

Automatic vacuum washer

Rotary vacuum washer

YOSHIKAWA KOGYO CO., LTD.

吉川工業株式会社 10

Facilities synopsis

Appearance inspection facility

Inspection facility

Automatic appearance inspection machine

Image-identifying measuring machine

Fluorescence film thickness meter

Universal tool’s microscope

Universal profile projector

Non-contact depth measuring machine

Surface roughness measuring instrument

Digital microscope

Stereomicroscope

Push pull gauge

Hardness scale

1

1

1

1

3

3

1

1

10

1

1

Film thickness

meter

Depth measuring machine

Image-identifying measuring machine

Tool’s microscope

Surface roughness measuring machine

YOSHIKAWA KOGYO CO., LTD.