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Chongqing Longway Control System Co.,Ltd
The beauty of April on earth lives up to the spring scenery and current trends
The beauty of April on earth lives up to the spring scenery and current trends

The beauty of April on earth lives up to the spring scenery and current trends. Say goodbye to the tense melody of work and catch the tail of spring

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We warmly welcome Vice Director Jian Jing of Nan'an District Science and Technology Bureau and Vice Director Wei Guiliang of Nan'an District Financial Office to come to Chongqing Langwei for research
We warmly welcome Vice Director Jian Jing of Nan'an District Science and Technology Bureau and Vice Director Wei Guiliang of Nan'an District Financial Office to come to Chongqing Langwei for research

On the afternoon of March 16, 2022, Jian Jing, Deputy Director of the Science and Technology Bureau of Nan'an District, and Wei Guiliang, Deputy

Difference between Power Surge Protector TT and TN-S System
Difference between Power Surge Protector TT and TN-S System

TT system: The N line of this system is only grounded at the neutral point of the transformer, and the N line and PE line are strictly separated for wiring

Notice of Spring Festival holiday in 2022
Notice of Spring Festival holiday in 2022

Notice of Spring Festival holiday in 2022

Heavy weight! Puyang Iron and Steel reorganized and melted steel! Join the ranks of "ten million ton" steel enterprises
Heavy weight! Puyang Iron and Steel reorganized and melted steel! Join the ranks of "ten million ton" steel enterprises

According to the information, Hebei Puyang Iron and Steel Co., Ltd. has become the controlling shareholder of roasted and melted steel, holding a stake of up to 70%

Youthful passion, forging brilliance together
Youthful passion, forging brilliance together

Chongqing Langwei aims to regulate work pressure, create a passionate, responsible, and happy working atmosphere, and enable everyone to better engage

Over 2000 signal isolators for another large-scale blast furnace renovation project undertaken by Chongqing Langwei have been shipped
Over 2000 signal isolators for another large-scale blast furnace renovation project undertaken by Chongqing Langwei have been shipped

The electrical automation system for the No.2 blast furnace project of Hebei Famous Iron and Steel Co., Ltd. has been officially put into operation

Sunshine Walk, Happy Tour
Sunshine Walk, Happy Tour

In order to enrich the cultural life of employees and alleviate their work pressure, on July 9th, the company organized all employees to go to a

Li Bing, Director of the Reform and Development Science and Technology Bureau of Chongqing Economic Development Zone, visited Chongqing Langwei for research
Li Bing, Director of the Reform and Development Science and Technology Bureau of Chongqing Economic Development Zone, visited Chongqing Langwei for research

The leaders of Chongqing Science and Technology Bureau, accompanied by General Manager Zhang, conducted an on-site inspection of our company's factory

Knowledge related to safety barriers, isolators, and surge protectors
Knowledge related to safety barriers, isolators, and surge protectors

Definition of signal isolators, signal safety barriers, and surge protectors

Dragon Boat Festival holiday notice
Dragon Boat Festival holiday notice

Loong Boat Festival Holiday Arrangements

Warm welcome, the business inspection team of Zibo Instrument and Meter Industry Association will visit and explore
Warm welcome, the business inspection team of Zibo Instrument and Meter Industry Association will visit and explore

On May 21, 2021, Li Ming, the President of Zibo Instrument and Meter Industry Association, led a business inspection team to assess our company's

The company welcomes its housewarming celebration
The company welcomes its housewarming celebration

On an auspicious day, a pleasant rain falls. On May 10th, on this memorable day, Chongqing Longwei celebrated another milestone

Warm congratulations to Chongqing Langwei for its successful participation in the exhibition
Warm congratulations to Chongqing Langwei for its successful participation in the exhibition

On April 22, 2021, Chengdu International Industrial Expo - A new round of industrial revolution is emerging

Warm congratulations on the successful launch of the full set of dry quenching project for Wanxinda Coking in Linfen
Warm congratulations on the successful launch of the full set of dry quenching project for Wanxinda Coking in Linfen

The entire coking dry quenching project of Linfen Wanxinda Coking Chemical Co., Ltd. adopts Chongqing Langwei signal isolators.

Market Analysis and Development of Signal Isolators
Market Analysis and Development of Signal Isolators

In recent years, signal isolators have been widely used in industries such as petroleum, chemical, cement, building materials, steel, and power.

 《Journey to Xishuangbanna》
《Journey to Xishuangbanna》

With the successful completion of work in 2020, Chongqing Longwei invites family members who have worked hard for a year to travel happily to Xishuangbanna

Congratulations to Guigang Iron and Steel on the successful commissioning of the 2 * 108 ㎡ sintering flue gas desulfurization and denitrification project system!
Congratulations to Guigang Iron and Steel on the successful commissioning of the 2 * 108 ㎡ sintering flue gas desulfurization and denitrification project system!

Guigang Steel's 2 * 108 ㎡ sintering flue gas desulfurization and denitrification project covers an area of 1400m2. After the sintering head flue gas electrostatic

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