News on Tongwei

News on suppliers, market trends and technology innovations in polysilicon and wafer production is selected, assessed and written for you by Bernreuter Research.

The factory gate of Sichuan Yongxiang’s polysilicon plant in Leshan after the flood had receded on August 20, 2020

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After a once-in-a-century flood in mid-August, Tongwei’s older polysilicon plant with a capacity of 20,000 metric tons in Leshan, Sichuan province will remain out of operation until mid-October.

Polysilicon plant of Tongwei’s subsidiary Sichuan Yongxiang Polysilicon in Leshan, Sichuan province, China

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While the polysilicon plant of Tongwei’s subsidiary Sichuan Yongxiang Polysilicon was temporarily shut down due to a flood alert, Daqo New Energy and GCL-Poly are aiming to resume production after accidents.

Distillation columns of GCL-Poly’s polysilicon plant in Xinjiang

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Chlorosilanes expert Alan Crawford argues for concerted action after four similar incidents have occurred at the Chinese polysilicon plants of Daqo, GCL-Poly, East Hope and Tongwei.

Polysilicon production volumes of the Chinese top 4 manufacturers (Tongwei, GCL-Poly, Daqo, Xinte) in 2019

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The 2019 results of the four largest China-based polysilicon manufacturers – Tongwei, GCL-Poly, Daqo and Xinte – reveal enormous discrepancies with numbers published by Chinese industry bodies.

Tongwei’s annual polysilicon production capacities from 2016 through 2021

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China-based polysilicon and solar cell manufacturer Tongwei will increase its production capacity from 80,000 to 155,000 tons by late 2021, thus becoming the world market leader.

Polysilicon EBITDA and Operating Margins of OCI and Wacker from Q1 2018 through Q4 2019

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The Korean polysilicon manufacturer OCI abandons a market volume of 50,000 tons despite a competitive electricity rate for its plant in Malaysia. Johannes Bernreuter, Head of Bernreuter Research, comments on the decision.

Jiangsu Zhongneng’s polysilicon plant in Xuzhou, Jiangsu

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Leading China-based polysilicon manufacturer GCL-Poly wants to replace its existing plant in Jiangsu province by a new 60,000-ton base in Leshan in the western province of Sichuan.

Workers at polysilicon plant in China

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GCL-Poly Energy Holdings and Tongwei Group have announced production capacities that are larger than originally planned for their new polysilicon factories.

polysilicon chunks

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Indeed, polysilicon prices on the Chinese spot market slightly recovered in July and stabilized in August. But they have been on the downtrend again since mid-September.

Longi’s four polysilicon supply contracts

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Leading monocrystalline wafer maker Longi has underpinned its rapid expansion by signing a contract with Xinte Energy for the delivery of 90,080 tons of polysilicon from 2019 through 2021.