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The Liuheng Lighting Factory was established in Liuheng, Zhoushan, Zhejiang.

1985

In 1985, the Liuheng Lighting Factory was established on Liuheng Island in Zhoushan, Zhejiang Province, with a site area of 1,000 square meters.

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Officially renamed Shanghai Liangzhou Lamp Manufacturing Co., Ltd.

2000

In 2000, the company relocated to Nanhui District, Shanghai, and was officially renamed Shanghai Liangzhou Lamp Manufacturing Co., Ltd., with a total site area of 5,000 square meters.

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Certified under the ISO 9001 quality management system.

2003

In 2003, it obtained ISO 9001 certification for its quality management system.

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Through the China Classification Society (CCS) type approval.

2004

In 2004, it obtained type approval from the China Classification Society (CCS).

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The new factory site in Fengxian was completed and relocated to Fengcheng Town, Fengxian District, in the same year.

2004

In 2008, the new factory complex in Fengxian District was completed and relocated to Fengcheng Town, Fengxian District, covering an area of 12,000 square meters. That same year, it obtained factory approval from Bureau Veritas (BV), the French classification society.

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Jiangsu Liangzhou Explosion-Proof Electrical Co., Ltd. was established.

2015

In 2015, Jiangsu Liangzhou Explosion-Proof Electrical Co., Ltd. was established, occupying a site of 60,000 square meters. Since then, Liangzhou has operated two production bases—one in Shanghai and one in Jiangsu—totaling 72,000 square meters of land.