... It is also a kind of trace water desiccant and the pole-molecular absorbent, according to the absorbed molecular polarization, the ... before & after service as well.Our company accumulated production and sales experience of compressed air treatment for a long-term ... has offices among Beijing,Guangzhou,Jinan,Shenyang,Zhengzhou,Wuhan, Chengdu and Wu-xi which responsible for before & after-sales technology ...