CINCINNATI (AP) ¿ Air pollution control and industrial ventilation systems maker Ceco Environmental Corp. said Wednesday it received $4.4 million in new orders. The orders were received by companies in its equipment and contracting groups, the company said. The largest purchase order came from the refining industry, and others came from the power, steel, glass, and pet food industries. Company CEO Phillip DeZwirek said the company continues to pursue international business "vigorously," and two of the projects are in Indonesia and South America. Shares rose a penny to $3.40 in afternoon trading.