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China-made "brain" ensures safe operation of Qingdao Metro Line 4!
Release date:
2022-12-30
Qingdao Metro Line 4 officially began operations at 11:00 a.m. on December 26.
As the PLC manufacturer for the integrated monitoring system of Qingdao Metro Line 4, Aotuo Technology, together with Qingdao Tieke, overcame challenges such as tight timelines, heavy workloads, and challenging on-site construction conditions. Thanks to the team's relentless efforts, the project successfully passed the expert panel review and acceptance in early December without any issues, ensuring the smooth opening and operation of Line 4.
This time, the entire Line 4 utilizes domestically developed PLCs independently created by Aotuo Technology to automatically monitor, control, and scientifically manage mechanical and electrical equipment such as ventilation and air conditioning, water supply and drainage, lighting, fire protection, and escalators in subway stations and tunnel sections—ensuring a safe and comfortable travel environment for both passengers and operational staff.
Qingdao Metro Line 4 starts at Renmin Hall Station and ends at Dahe Dong Station, spanning approximately 31 kilometers and featuring 25 stations in total. It serves as the east-west backbone line that connects and weaves together the city’s urban rail transit network. Nicknamed the "Golden Belt," this line has become a rapid-transit corridor and a major passenger transportation artery running through the east and west of the city. The BAS system for this vital "artery" is jointly safeguarded by Aotuo Technology and Qingdao Tieke.
2022 marked Aoto Technology's entry into the rail transit sector. Carry forward the past, forge ahead with determination. In the past year, while successfully completing the operation and opening of Qingdao Metro Line 4, Aotuo Technology also secured contracts for the Guiyang Metro Monorail Project and the Comprehensive Monitoring System Project for Qingdao Metro Line 6. Multiple projects have adopted Aotuo Technology's domestically produced PLC "brain," highlighting the product's superior quality and excellent cost-effectiveness.
Domestic production and self-reliance are the prevailing development themes championed by the nation. Only by steadily advancing the iterative upgrades of independently controllable systems, accelerating innovation in rail transit, continuously intensifying research efforts to tackle critical technological bottlenecks, and relentlessly pursuing breakthroughs can we truly empower China’s transportation sector to achieve robust, high-quality growth.
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Aoto Technology Co., Ltd.
