YB-80 is an all-metal construction electric bolt with European-type cylinder latch lock,which is manufactured by 304 type of stainless steel with special design.The linkage,manufactured by lathe,can withstand 300kg holding force.The special design of all-metal linkage parts results it can bear with the temperature of 60 ℃ or -40 ℃ below zero,it pass through security test after it has been used for over 1 million times.
