Techwing Inc., manufactures parts for semiconductor testing equipment. The Company's product includes test handlers, Change of Kit (C.O.K) and test interface boards.  The company's main product, test handlers, is core  semiconductor testing equipment.

Organization of Investor Relations Event

Loss from Derivatives Trading

[Revised] Contract for Sales or Supply (Voluntary Disclosure)

Contract for Sales or Supply (Voluntary Disclosure)

South Korea

Jusung Engineering Co., Ltd. manufactures semiconductor, flat panel display, and solar cell production equipment.  The Company produces space divided CVD-ALD thin film machines for semiconductor manufacture; equipment for producing liquid crystal display panels; and equipment for manufacturing crystalline silicon and thin film silicon tandem solar cells.

Seojin System Co., Ltd. manufactures components for communication equipments, such as Remote Radio Head(RRH) and Digital Unit(DU).  The Company also produces semiconductor components and metal cases for hand-held devices.

Wonik IPS Co., Ltd. manufactures and sells semiconductor processing equipments.  The Company's main businesses include Semiconductor, Display and Solar industries.

Hana Micron Inc. designs, develops, manufactures, and sells semiconductor packages for memory and non-memory semiconductor products.  The Company also produces USB flash drive (UFD), a mobile storage devices which can substitute floppy disk drives.

EO Technics Co., Ltd. is a laser-based equipment supplier. The Company develops laser technology and applications used for marking, drilling, trimming and cutting.

ISC Co., Ltd. manufactures semiconductor testing equipments such as test sockets, burn-in sockets, and interposers. Testing equipments are used in the final testing process of semiconductors including DRAM, NAND/NOR Flash Memory, and Graphic Processing Unit(GPU) and are supplied to semiconductor manufacturers  abroad.

Psk Holdings Inc specializes in manufacturing semiconductor fabrication and liquid crystal display (LCD) manufacturing equipment.  The Company's products include dual chamber ashers and microwave ashers used in photo resist stripping and etching and multi-etchers used in LCD processes.

DB Hitek Co., Ltd. manufactures system semiconductor and provides foundry services. The Company's products inculde fabricated wafer and integrated circuits for mobile handsets and flat panel LCDs.

Tokai Carbon Korea Co., Ltd. produces purified graphite products used in semiconductor equipment, and silicon single crystal puller parts.  The Company also produces carbon products used in rubber parts for machineries.

LX Semicon Co., Ltd. designs, develops, and markets mixed-signal semiconductors. The Company utilizes its own algorithm and technologies to enhance the features and capabilities of flat panel displays that are used in electronic devices and mobile handsets. LX Semicon markets its products worldwide.

Taiwan Surface Mounting Technology Corp assembles printed circuit boards (PCBs).

Taiwan Surface Mounting Tech Corp. (6278 TT)

Everlight Electronics Co., Ltd. manufactures and markets optoelectronic components.  The Company's main products are surface mount devices light emitting diodes (LEDs), super bright LED lamps, special purpose LEDs, dot matrix displays, photo transistors, and infrared LEDs.

Himax Technologies, Inc. designs and manufactures integrated circuits.  The Company produces liquid crystal displays (LCD).

Kinsus Interconnect Technology Corp. manufactures BGA (Ball Grid Array) boards. The Company's products include PBGA (Plastic BGA), MCM (Multi Chip Module) BGA, Mini BGA, TEBGA (Thermal Enhanced BGA), and flip chip substrate boards.

Macronix International Co., Ltd. designs, manufactures, and markets integrated circuits (ICs) as well as memory products.  The Company's products include nonvolatile memory integrated circuits, mask ROM (Read Only Memory), EPROM (Erasable Programmable ROM), and flash memory products.  Macronix also produces logic ICs for audio, clock generators, and graphic application devices.

MICRONICS JAPAN CO., LTD. designs, manufactures, and markets probe cards, which are used to inspect semiconductors and integrated circuits (ICs).  The Company also makes wafer probers, probe card testers, IC handlers, and inspection devices used for liquid crystal display (LCD) manufacturing.

CHIPBOND Technology Corporation provides chip packaging service for the IC (Integrated Circuit) industry.  The Company manufactures Gold Bump, TCP (Tape Carrier Packaging), Solder Bump, and COG (Chip on Glass), which are applied to the process of packaging.

Shanghai Sinyang Semiconductor Materials Co. Ltd. develops, produces, and provides services for the electronic chemicals used in the semiconductor industry. The company also provides electronic cleaning and electronic plating core technologies. They develops specialized equipment, such as: chemical materials, equipment, and application process etc.

Shanghai Sinyang Smcndctr Mtls (300236 CH)

Sanken Electric Co., Ltd. manufactures and sells discrete semiconductors such as diodes and transistors, and analog integrated circuits.  The Company also manufactures various kinds of adapters and surge/transient protectors.

Photronics, Inc. manufactures photomasks, which are high precision quartz plates that contain microscopic images of electronic circuits.  The Company's products are used to transfer circuit patterns onto semiconductor wafers during the fabrication of integrated circuits.  Photronics operates manufacturing facilities in Asia, Europe, and North America.

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