August 22 -- Hebei Saihero Environmental Protection Hi-tech (300137.SZ ) reported that its net profit fell 2.15 percent year-on-year to 17.85 million yuan in the first half of 2011, reports p5w.net, citing a company filing.

Revenue fell 11.51 percent year-on-year to 62.24 million yuan during the reporting period due to a slack sales season.

The listed company’s net profit fell and was blamed on higher sales and administration expenses during the reporting period.

Sailhero Environmental was founded in 1996 and manufactures environmental monitoring equipment, including air monitoring systems, smoke monitoring systems and waste water monitoring systems.