Company Profile WORLD DD Outline of the Company

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회사소개서 (Company Profile) WORLD D&D

회사소개서 (Company Profile) WORLD D&D

Outline of the Company • Foundation : Nov. 1994 • Representative : OH W.

Outline of the Company • Foundation : Nov. 1994 • Representative : OH W. K. (오 원근) • Majors : Zinc & Aluminum Diecasting & Tool, Dental ( Small Precision Zinc 4 Slide Type, Zinc Hot Chamber Type ) ( Aluminum Cold Chamber Type ) • Sales : 2, 400 M-won (2010) 3, 000 M-won (Forecast of 2011) • Employee : 24 persons • Quality System : ISO 9001 – Oct. 01 2006 • Address : 313 -1, Gamil-Dong, Hanam, Kyunggi-Do Tel) 02 - 474 - 8850 Fax) 02 – 474 - 2279 E-Mail – worlddnd@naver. com Homepage – www. worlddnd. kr

Management of CEO For the Customer Back to the Basic Provide the Best Service

Management of CEO For the Customer Back to the Basic Provide the Best Service to Customer

Organization Chart 대표이사 CEO 총괄이사 DIRECTOR 경영지원부 Finance 금형실 Tool 생산부 Production 생산 1

Organization Chart 대표이사 CEO 총괄이사 DIRECTOR 경영지원부 Finance 금형실 Tool 생산부 Production 생산 1 Prod. 1 • Purchasing • Design • Personnel (2 D, 3 D) Management • Tool making • Safety Management Hot Chamber Cold Chamber Techmire • Tool Service • Precision Diecasting • 4 Slides • Techmire • 22 NT - 3 • 24 NT – 4 • 66 NT - 1 생산 2 Prod. 2 품질보증부 QA 생산 3 Prod. 3 • Precision • Secondary Diecasting Operation • H/Chamber • Machining • C/ Chamber Tapping • Shinozuka m/c • Barrel • 25 Ton – 2 • Shot • 50 Ton – 2 • Needle • Re-melting • AL- 350 Tonsi • Sorting • Deburring 영업부 Sales 판매관리 CS • Quality • Order System • Delivery • Packing ISO/TS • Internal External Inspection • Environment management 신규개발 BD • New business • Cost Analysis • SQE

Tool (Precision 4 Slide Type) & Inspection Tool No. : WT 125 C MODEL

Tool (Precision 4 Slide Type) & Inspection Tool No. : WT 125 C MODEL : Dental Part Name : Dental Pin Type : 4 Slide Type Machine : Techmire 22 NT CAV : 1 X 6 CPM : 20 times (3 sec/1 cycle) Production Q’ty/Day: 140, 000 pcs Guaranty Shot : 1 Mil-shots (6 Mil pcs) Tool No : WH 140 A Model : Fiber Optic Part Name : SFP Housing Type : Hot Chamber Machine : Shinozka 50 T CAV : 1 X 1정 범위 300 x 200

INSPECTION Microscope SVM 3020 Range : 300 X 200

INSPECTION Microscope SVM 3020 Range : 300 X 200

Manufacturing Facilities (Casting) Ø Ø Conventional M/C Type Hot Chamber Manufacture : Shinozuka (Japan)

Manufacturing Facilities (Casting) Ø Ø Conventional M/C Type Hot Chamber Manufacture : Shinozuka (Japan) 25 ton – 2 , 50 ton – 2 Ø Ø Ø 4 Slide M/C Type Hot Chamber Manufacture : Techmire (Canada) CPM : max 30 times/min (2 sec) 22 NT – 3, 24 NT – 4, 66 NT – 1

Secondary Operation Facilities Ø Shot Blast – SUS Ball Ø Ball Size – 0.

Secondary Operation Facilities Ø Shot Blast – SUS Ball Ø Ball Size – 0. 4 mm Ø Barrel – Vibration, Rotate Ø Automatic Sorting - Part & Runner, O/Flow Ø Annealing M/C Heat Treatment Ø Range – 0 ~300 ℃

Main Product (Dental Application) Single Pin Twin Cap

Main Product (Dental Application) Single Pin Twin Cap

Main Product Telecom – SFP (Zinc) (Techmire & Hot Chamber) Case & Panel for

Main Product Telecom – SFP (Zinc) (Techmire & Hot Chamber) Case & Panel for the Rear Camera of Automotive ( Hot Chamber 50 tons) Holder LD, PD – DVD RW (Zinc)(Techmire 24 NT) Stand Main Base for the Air Cleaner ( Aluminum 250 tons )

Main Product Connectors (Zinc) Techmire & Hot Chamber Gas application (Zinc) Techmire & Hot

Main Product Connectors (Zinc) Techmire & Hot Chamber Gas application (Zinc) Techmire & Hot Chamber Connectors (Zinc) Techmire Ball Tip for Ball Point Pen (Zinc) Techmire Hardware (Zinc) Hot Chamber

TOP 10 Customers Customer Portion(%) Industry End User Major Product Dental 20% Consumer Dental

TOP 10 Customers Customer Portion(%) Industry End User Major Product Dental 20% Consumer Dental Clinic Dental Pin Samwoo EP 18% Consumer Samsung E. Connector Starion Sungchul 13% Consumer LGE Gas Appliance Optis(TSST) 10% Consumer Samsung E. Pick Up Kotobuki Korea 7% Pens Kotobuki Japan Ball Tip Youngshin 7% Hardware USA Vehicle Lightron 7% Telecom Japan Fiber Optic Daerim 5% Consumer LGE Connector KSD 5% Telecom Japan Fiber Optic Dongkwang E 3% Consumer China Motors Others 5% Consumer Total 100%

Equipment List(Production) Non Description Spec Set(s) Maker Using 1 Zinc Die-casting M/C 22 NT/24

Equipment List(Production) Non Description Spec Set(s) Maker Using 1 Zinc Die-casting M/C 22 NT/24 NT/66 NT 8 Techmire Casting 2 Zinc Die-casting M/C 25 TON 2 Shinozuka Casting 3 Zinc Die-casting M/C 50 TON 2 Shinozuka Casting 4 Aluminum Die-casting M/C 250 TON 2 Toshiba Casting 5 Vibration Barrel M/C 200 L~500 L 2 Fine Tech Barrl 6 Rotation Barrel M/C 30 L~100 L 2 Fine Tech Barrel 7 Dryer 18 KW 3 Fine Tech Dry 8 Compressor 100 Hp, 150 Hp 2 Hanshin Air Supply 9 Shot Blast Sus Media 1 Wonchang Deburring 10 Ultrasonic Cleaning 4 Basket, Drying 1 Sehan Cleaning 11 Needle Barrel(SEC) 1 Fine Tech Barrel 12 Annealing M/C 13 Tapping M/C 0~300℃ 1 Heat Treatment 3 Tapping

Equipment List (Tool/QA) No Description Spec Set(s) Maker Using 1 EDM M/C 350 X

Equipment List (Tool/QA) No Description Spec Set(s) Maker Using 1 EDM M/C 350 X 250 1 Namsun 放電 2 Lathe 400 X 1060 1 Namsun 旋盤 3 Milling 1100 X 280 1 Namsun Milling 4 Surface Grinding M/C 500 X 200 1 Namsun 硏磨 5 Microscope SVM 3020 (300 x 200) 1 Hexagon 具顯微鏡 6 Gage Pin, Height Gage etc 3 Mitutoyo 檢査用 Gage 7 Microscope 10 X~30 X 2 Mitutoyo 檢査用 顯微鏡

Certification (ISO 9001)

Certification (ISO 9001)

Data 1. – Diecasting Material Type Aluminum Cu Magnesium Fe(max) Pb(max) Cd(max) Sn(max) Ni

Data 1. – Diecasting Material Type Aluminum Cu Magnesium Fe(max) Pb(max) Cd(max) Sn(max) Ni Other Remain Zn. DC 1 3. 5~4. 3 0. 75~1. 25 0. 03~0. 08 0. 1 0. 005 0. 004 0. 003 Zn Zn. DC 2 3. 5~4. 3 0. 25 max 0. 02~0. 05 0. 1 0. 005 0. 004 0. 003 Zb ZA 27 25. 0~28. 0 2. 0~2. 5 0. 01~0. 02 0. 075 0. 006 0. 003 Zn BERIC 3. 0~4. 0 0. 04 Zinc 0. 04 Be 0. 1 Ti Zn • Standard – Zn. DC 2 • Spec : Zn. DC 2(KS) = ZDC 2(JIS) = ZAMAK 3 = ALLOY 3 Material Type Cu Fe(max) Magnesium Mn(max ) Pb(max) Si Sn(max) Zn(max) Other Remain Aluminum Al. DC 8. 1 2. 0~3. 0 1. 3 0. 1 max 0. 5 0. 15 9. 5~11. 5 0. 15 3. 0 0. 5 Aluminu m Zn Si(max) Cu(max) Ni(max) Fe(max) Other Remain 0. 1 0. 03 0. 002 0. 005 0. 02 Mg • Standard– Al. DC 8. 1 • Spec : Al. DC 8. 1(KS) = ADC 12(JIS) = A 383 Material Type Aluminum Mn Magnesiu m AZ 91 D 8. 3~9. 7 0. 15~0. 5 * Standard – AZ 91 D 0. 35~1. 0

자료 2. - Material Type Tensile Strength (Mpa) Shear Strength (Mpa) Hardness (Brinell) Elongation

자료 2. - Material Type Tensile Strength (Mpa) Shear Strength (Mpa) Hardness (Brinell) Elongation (%in 50 mm) Density lb/cu in Melting Range Thermal Conductivit y Thermal Expansion Electrical Conductivi ty Zn. DC 1 289 -331 262 91 7 6. 7 380 -386 109 27. 4 26 Zn. DC 2 248 -283 214 82 10 6. 7 381 -387 113 27. 4 27 ZA 27 425 325 118 1 -3 5 376 -484 125 26 29. 7 BERIC 392 - 130 8 6. 8 390 105 24 - Aluminum Al. DC 8. 1 300 200 65 -90 1 -3 2. 7 525 -570 100 20 26 Magnesiu m AZ 91 D 230 138 63 0. 5 -3 1. 81 468 -596 72 27 11 Brass C 38500 430 -530 - 143 15 -25 8. 4 880 -900 113 21 26 Steel SAE 1020 448 - 143 36 7. 8 1426 50 12. 1 12 Material Zn