The Copper tube and fitting are quality control certify as
ISO9001 standard and also NSF, UFC, WHI and KITEMARK.
The product are high quality and believable for all production.
There are many type, size and specification suitable for refrigeration and air condition
such as straight tubes (K, L, M type), pancake coils (0.7 mm and 0.4 - 0.6 mm thickness)
and fitting etc.
Refrigerant is a compound used in a cooling cycle that undergoes a phase change from a gas
to a liquid and back. The two main uses of refrigerants are refrigeration system and
Air Condition System. The refrigerant are not refill, you can believable 100% purity refrigerant.