E hiwere Hope Deepblue A/C na 1997, nke bụ onye na-emepụta ihe na-ekpo ọkụ nke LiBr kacha na West China.Deepblue na-etinye aka na ngalaba nke ntụ oyi, refrigeration, kpo oku mpaghara na iji ikpo ọkụ na-ekpo ọkụ nke ụlọ ọrụ mmepụta ihe.Ebupụla ngwaahịa na mba na mpaghara 30 ka ọ dị ugbu a.
n'afọ 1997
Mepụta ụlọ ọrụ Hope Deepblue nahaziri 1st mmiri ọkụ ọkụ absorption chiller.
