2001. 4. 20. 우일산업 발행의 당좌수표가 부도처리되었고, 2001. 4. 23. 우일산업은 거래정지처분을 받았다.
Woo-Il Industry's current deposit check became bankrupt on April 20, 2001, and Woo-Il Industry was suspended of transaction on April 23, 2001.