No enterprise can exist for itself alone. It ministers to some great need, it performs some great service, not for itself, but for others; or failing therein, it ceases to be profitable and ceases to exist - Calvin Coolidge, the 30th President of the U.S.
收藏本站 在線留言 網站地圖 歡迎光臨鄭州明亮照明工程有限公司官網!

咨詢熱線:400-0000-951

24小時熱線:13603719994

熱門關鍵詞: