회 사 소 개 서 (Company Profile) WORLD D&D

Outline of the Company Foundation : Nov 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 : 2,400M-won (2010) 3,000M-won (Forecast of 2011) Employee : 24 persons Quality System : ISO 9001 – Oct Address : 313-1, Gamil-Dong, Hanam, Kyunggi-Do Tel) Fax) 02 – – Homepage –

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

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

Tool (Precision 4 Slide Type) & Inspection Tool No. : WT125C MODEL : Dental Part Name : Dental Pin Type : 4 Slide Type Machine : Techmire 22NT CAV : 1 X 6 CPM : 20 times (3sec/1cycle) Production Q’ty/Day: 140,000pcs Guaranty Shot : 1Mil-shots (6Mil pcs) Tool No : WH140A Model : Fiber Optic Part Name : SFP Housing Type : Hot Chamber Machine : Shinozka 50T CAV : 1X1 정 범위 300x200x200

INSPECTION Microscope SVM3020 Range : 300X200X200

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

Secondary Operation Facilities  Shot Blast – SUS Ball  Ball Size – 0.4mm  Barrel – Vibration, Rotate  Automatic Sorting - Part & Runner, O/Flow  Annealing M/C Heat Treatment  Range – 0 ~300 ℃

Main Product (Dental Application) Single Pin Twin PinTwin Cap

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

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

TOP 10 Customers CustomerPortion(%)IndustryEnd UserMajor Product Dental20%ConsumerDental ClinicDental Pin Samwoo EP18%ConsumerSamsung E.Connector Starion Sungchul13%ConsumerLGEGas Appliance Optis(TSST)10%ConsumerSamsung E.Pick Up Kotobuki Korea7%PensKotobuki JapanBall Tip Youngshin7%HardwareUSAVehicle Lightron7%TelecomJapanFiber Optic Daerim5%ConsumerLGEConnector KSD5%TelecomJapanFiber Optic Dongkwang E3%ConsumerChinaMotors Others5%Consumer Total100%

Equipment List(Production) NonDescriptionSpecSet(s)MakerUsing 1Zinc Die-casting M/C22NT/24NT/66NT8TechmireCasting 2Zinc Die-casting M/C25TON2ShinozukaCasting 3Zinc Die-casting M/C50TON2ShinozukaCasting 4Aluminum Die-casting M/C250TON2ToshibaCasting 5Vibration Barrel M/C200L~500L2Fine TechBarrl 6Rotation Barrel M/C30L~100L2Fine TechBarrel 7Dryer18KW3Fine TechDry 8Compressor100Hp,150Hp2HanshinAir Supply 9Shot BlastSus Media1WonchangDeburring 10Ultrasonic Cleaning4 Basket,Drying1SehanCleaning 11Needle Barrel(SEC)1Fine TechBarrel 12Annealing M/C 0~300 ℃ 1Heat Treatment 13Tapping M/C3Tapping

NoDescriptionSpecSet(s)MakerUsing 1EDM M/C350X2501Namsun 放電 2Lathe400X10601Namsun 旋盤 3Milling1100X2801NamsunMilling 4Surface Grinding M/C500X2001Namsun 硏磨 5MicroscopeSVM3020 (300x200x200) 1Hexagon 工具顯微鏡 6GagePin, Height Gage etc3Mitutoyo 檢査用 Gage 7Microscope10X~30X2Mitutoyo 檢査用 顯微鏡 Equipment List (Tool/QA)

Certification (ISO 9001)

Data 1. – Diecasting Material MaterialTypeAluminumCuMagnesiumFe(max)Pb(max)Cd(max)Sn(max)NiOtherRemain Zinc ZnDC13.5~ ~ ~ Zn ZnDC23.5~ max0.02~ Zb ZA2725.0~ ~ ~ Zn BERIC3.0~ Be 0.1Ti Zn MaterialTypeCuFe(max)MagnesiumMn(max)Pb(max)SiSn(max)Zn(max)OtherRemain AluminumAlDC8.12.0~ max ~ Aluminum MaterialTypeAluminumMnZnSi(max)Cu(max)Ni(max)Fe(max)OtherRemain MagnesiumAZ91D8.3~ ~ ~ Mg Standard – ZnDC2 Spec : ZnDC2(KS) = ZDC2(JIS) = ZAMAK3 = ALLOY3 Standard– AlDC8.1 Spec : AlDC8.1(KS) = ADC12(JIS) = A383 * Standard – AZ91D

자료 2. - Material MaterialType Tensile Strength (Mpa) Shear Strength (Mpa) Hardness (Brinell) Elongation (%in50mm) Density lb/cu in Melting Range Thermal Conductivity Thermal Expansion Electrical Conductivi ty Zn ZnDC ZnDC ZA BERIC AluminumAlDC MagnesiumAZ91D BrassC SteelSAE