價格：免費
檔案大小：30 MB
版本需求：需要 iOS 6.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
YANNCO L.L.C is a professional Building Maintenance company, specializing in carrying out high class Building Maintenance Services. YANNCO is now recognized as one of the premier maintenance company
支援平台：iPhone