Li Lou, a person who has strong vision inhistory.   Mencius • from theLou >: Mencius said,’the wisdom of LiLou and the skill of Gongshuzi statesthat without rules, nothing stands, which reflects the accuracy , timeliness, ofpressure cylinders network monitoring system. The first letter "L" -asa design element , reflecting the company 's exclusivity and uniqueness. Thegolden color of the logo represents respect and has the function to drive the devil. First, it represents the characteristic of the company’s industry, whichis the bounden duty to save lives ; the second reflects in the strong vitalityof enterprises , namely self- self-interest , and growth. Identified by thepros and cons of two "L" constitutes , it symbolizes the two armsgrip the conceptualization of expression. There are degrees of rigor , reflecting the company's goals to makefriends with heart, seeking for mutual benefit and win-win development.