Business Standard | Petron Engineering locked at 5% upper circuit on order win of Rs 280 crore Moneycontrol.com Petron Engineering locked at 5% upper circuit on order win of Rs 280 crore. The Company has received purchase order from JSW Steel worth of Rs 280 crore. Petron Engineering locked at 5% upper circuit on order win of Rs 280 crore. Moneycontrol News. Petron Engineering locked in upper circuit for third day on order win Petron Engineering bags order worth Rs 280 crore Petron Engineering Construction Ltd receives order from JSW Steel Ltd |