A,P,D, these letters' basic graph are three rounds whose center lie at the same line, have the meaning of motivating each other.

Round, has the meanings of full, smooth, lucky.

The blocks inside the three rounds are the pure air which lives depend on. Blocks also mean the ideas shared by the stuff who take the responsibilities of purify, environmental protection, and whose hearts gather around Apureda.

Three letters close together inseparately show the motivations each other between product and marketing,"Apureda"and clients, "Apureda"and clerks.

A,P,D stand for "Apureda",clients , clerks , who unite closely for creating "Apureda"to been the top brand in purification industry.

A & P, these two letters are designed as one key , the letter D seems like the hole of door.

The whole graph means "Apureda"opening the door of compressed air purify, the door of marketing rely on the most competitive product, technology, service.