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Major Chinese Polysilicon-Makers Band Together to Curb Overcapacity

Published: Dec. 10, 2025  6:35 p.m.  GMT+8
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Several of China’s major polysilicon producers have teamed up on a joint venture to tackle overcapacity. Photo: Visual China Group
Several of China’s major polysilicon producers have teamed up on a joint venture to tackle overcapacity. Photo: Visual China Group

Several of China’s major polysilicon producers have teamed up on a joint venture that industry insiders said is designed to tackle overcapacity in the solar industry.

Beijing Guanghe Qiancheng Technology Co. Ltd. was officially established on Tuesday with a registered capital of 3 billion yuan ($424 million), with its shareholders including nine polysilicon makers and the China Photovoltaic Industry Association (CPIA).

A subsidiary of Tongwei Co. Ltd., the world’s largest manufacturer of polysilicon and solar cells, is Guanghe Qiancheng’s largest shareholder with a 30.35% stake. The new entity is run by a management team made up of several industry veterans such as Guo Xuming, general manager of Asia Silicon (Qinghai) Co. Ltd., and Liu Yiyang, executive secretary general of the CPIA.

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This is an AI-generated English rendering of original reporting or commentary published by Caixin Media. In the event of any discrepancies, the Chinese version shall prevail.
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  • Nine major Chinese polysilicon producers and the China Photovoltaic Industry Association formed Guanghe Qiancheng with 3 billion yuan capital.
  • The joint venture aims to address solar industry overcapacity, promote technology upgrades, and support government anti-oversupply policies.
  • China's 2024 polysilicon production capacity reached 3.2 million tons, about double 2025 global demand; futures prices rose 85% since June.
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Who’s Who
Beijing Guanghe Qiancheng Technology Co. Ltd.
Beijing Guanghe Qiancheng Technology Co. Ltd. is a newly established joint venture in China's solar industry, founded to address overcapacity. It has a registered capital of $424 million, with nine polysilicon makers and the China Photovoltaic Industry Association as shareholders. Its focus includes technology development, transfer, and corporate management consulting, aiming to optimize capacity and upgrade technology.
Tongwei Co. Ltd.
Tongwei Co. Ltd. is the world's largest manufacturer of polysilicon and solar cells. A subsidiary of Tongwei is the largest shareholder in Beijing Guanghe Qiancheng Technology Co. Ltd., holding a 30.35% stake. This joint venture, established with other polysilicon producers and the China Photovoltaic Industry Association (CPIA), aims to address overcapacity and promote technology upgrades in the solar industry.
Asia Silicon (Qinghai) Co. Ltd.
Asia Silicon (Qinghai) Co. Ltd. is a polysilicon producer. Its general manager, Guo Xuming, is part of the management team for Beijing Guanghe Qiancheng Technology Co. Ltd., a new joint venture created by major polysilicon producers to address overcapacity in the solar industry.
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