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.

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.

Polysilicon sales contracts of Tongwei

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Chinese Tongwei Group will deliver 70,000 tons of polysilicon to the second-largest manufacturer of monocrystalline wafers, Zhonghuan Semiconductor, from 2018 through 2021.

Polysilicon supply contracts of Longi

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Leading monocrystalline solar wafer manufacturer Longi has signed a contract with Chinese Tongwei Group for the delivery of 55,000 metric tons of polysilicon between May 2018 and December 2020.

Hall with Siemens reactors for chemical vapor deposition (CVD) of silicon at Daqo’s polysilicon plant in Shihezi, Xinjiang

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After closing a supply contract with South Korean polysilicon maker OCI in early February, leading monocrystalline wafer manufacturer Longi has signed a contract with Chinese producer Daqo.