Ningbo Aokai Security Technology Co., Ltd., tọrọ ntọala na 2005, bụ emeputa nke gas nchekwa ekpochapụ ngwaọrụ nchebe, kwa afọ ahịa 20 nde tent. Ụlọ ọrụ anyị bụ ọkachamara emeputa nke gas solenoid valvụ, thermocouple maka osi ite, magnet valvụ, thermocouple nri, thermocouple maka gas oven, solenoid valvụ BBQ, ire ọkụ na-echebe ngwaọrụ, electromagnetic valves na thermocouples eji dị iche iche gas ngwa, iwekota R&D, mmepụta na ahia ọnụ.