For example, two relays control a single-pole dual-control switch, which allows the switch to achieve timing close to the left and right. You can consider using a time relay or time controller.
GRT is located in Jiashan County， it takes only 20 minutes from high-speed rail station and 1 hour to drive from shanghai.
As a global supplier in the latching relay, manganin shunt and current transformer, GRT is to create added value
for customers around the world. GRT has a new factory of 12,000 square meters, currently has 500 skilled employees.
Both management officials and technical people have many years experience in the production and management of latching
relays, shunt resistors and current transformers.
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