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.

Longi’s four polysilicon supply contracts

Longi signs fourth big polysilicon supply deal, this time with Xinte

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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

Tongwei inks big polysilicon deal with Zhonghuan Semiconductor

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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

Longi signs third big polysilicon supply deal, now with Tongwei

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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

Longi secures additional polysilicon through contract with Daqo

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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.

Shares of main polysilicon importers in China 2012 through 2017

Section 201 trade case: New hope for Hemlock and REC Silicon?

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Employees of the U.S.-based polysilicon manufacturers Hemlock Semiconductor and REC Silicon have urged U.S. President Trump in two letters to seek a solution for the U.S. polysilicon industry in the trade conflict with China.

Tongwei logo on building

China-based Tongwei builds another 25,000-ton polysilicon plant

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After announcing a new polysilicon plant with a capacity of 25,000 tons in Leshan in March, Chinese Tongwei Group is planning to build another 25,000-ton plant in Baotou, Inner Mongolia.