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|  About us
Aerospace Communications Holdings, Co., Ltd is the leading automotive A/C refrigerant and tool supplier. Based on the largest automotive refrigerant manufacturer in Asia with exclusive patent technology and 99.99% purity, we are providing to customers high quality R134a refr...
|  F.A.Q.S more>>
 How to use an R134a charging hose to add/recharge R134a refrigerant to my auto A/C system?
 How to recharge or measure pressure with a T-handle or Gauge-Handle style recharge hose?
 How to recharge or measure pressure with a trigger style recharge hose?
 Do I have to use a special tool to add R134a to my auto A/C?
 If I do not have a piercing stem/puncture pin on my tool, how can I use the can?
|  products
R-134a 12 Oz. (340 g) R-134a 30 lbs (13.6 kg) R-134a Recharge Kit R-134a Recharge Kit R-134a Can Tap Dispenser Complete Retrofit Adaptor R-12 to R-134a
E-mail us at: support@zhonghuico.com Call us at: 800-323-0197