By Khairul Azran Hussin SHAH ALAM, Jan 5 — A copper (cuprum) melting factory at Jalan Zurah 1, Perindustrian Zurah, in Hulu Selangor, has been sealed off for operating without approval by the Hulu Selangor Municipal Council (MDHS) in an operation on December 31 last year. The joint-operation...