Paraphrasing:：
①“YJ” is the initial of “No.1 Construction” in Chinese Pinyin, forming the shape of Arabic number “1”, symbolizing a straight and upright tall building. ②The letter “Q” is initial for “Qingdao” in Chinese Pinyin.
③The number “1” means No.1, which stands for a first-class enterprise. ④he design of the logo implicates an enterprise spirit that all the staff of No. 1 Construction Group are willing to stand closely together to achieve first-class performance with concerted efforts and expand the enterprise from Qingdao to the world.