On October 25, outside the Building A office of PowerChina Sinohydro Bureau 5 in Sichuan, several workers held banners in a rights defense action, accusing it of breaking its promised audit unit prices and skimming high management fees, causing the contractor of a greening project in Zhengzhou Airport District to suffer huge losses, and pleading for an investigation and handling according to law.[Wage Arrears Rights Defense][Corporate Integrity][Sichuan][Sinohydro Bureau 5 (Fifth Engineering Bureau of Water Resources and Hydropower)]