Established in 1985, Sink Testing Company Ltd. Has been the pioneer in the industry of PCB testing. The company has been dedicated in bringing quality and innovation to the PCB testing equipment products and the mission-critical after-sales service to satisfy the ever-changing needs of our PCB manufacturing customers.

Milestones:
2003 Capital increase to NT$160 million
The first automatic universal tester sold
2002 ST-8100LR into the market
The first Manual universal tester sold
ST-9100LR into the market
2001 ST-6100 gone public
Nov. Universal Manual Type Tester published in TPCA SHOW
2000 Established Agents in KOREA -- BBT
1997 ST-8200 2 phase Auto Tester upgrade to 3 phase
ST-8300 orders over 300 units
ST-6000 serials export to JAPAN -- Servtec. Ind. Com.
1996 Nov. ST-8200 get order over 25 units
Aug. ISO-9002 admitted
May ST-8200 (Belt type,250V/100M ohm) into the market
Joined an Agent in Japan -- Nichigo Shoji Co., Ltd. .
1994 To develop South East Asia Market
Established Agents (Union Ink & Graphics Pte. Ltd. ) for Singapore/Malaysia/Indonesia
1993 ST-9000(250V/100M ohm, Twin surface) Auot P. C. B. Tester into the market
ST-6100 (Parallel Connection,250V/100M ohm) founded.
Established 2nd Agent in KOREA -- Kims Corporation
1992 Hong Kong 1st Agent -- Onshine Industrial Ltd.
1989 ST-8000(Common Type. Single Surface) Auto P. C. B. Tester into the market
Joined 1st Agent from KOREA -- Twoal Corporation
1988 ST-6000(Series Connection,250V/20M ohm) P. C. B. Tester successfully into the market
1986 High-Voltage tester (ST-6000,150V/10M ohm)
Cable Tester (ST-128C)
ST-128I 1st generation Resistance Tester
ST-128A Cable Tester/ST-128B Burn Over Tester
P2000 Low Pressure Tester ST-128 Cable Tester
1985 Sink founded on Nov.1985, the same year, Cable Tester into the market