News on manufacturer

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

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.

Daqo New Energy's CEO Gongda Yao

Daqo New Energy’s CEO Gongda Yao leaves the company

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Chinese polysilicon and wafer producer Daqo New Energy Corp. has announced that Dr. Gongda Yao (59) will step down as its Chief Executive Officer with immediate effect for personal reasons.

polysilicon chunks

Why the polysilicon spot price is still rising

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Several factors are playing a role in driving up the current polysilicon spot price.

REC Silicon’s Q3 2017 update on FBR joint venture in Yulin

REC Silicon affirms production start of Chinese joint venture in Q4

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REC Silicon has affirmed that TianREC, its joint venture with Shaanxi Non-Ferrous Tianhong New Energy Co., Ltd., will start up production of (mono)silane and granular polysilicon as planned in the fourth quarter.

Hemlock Semiconductor’s polysilicon plant in Hemlock, Michigan (USA)

Polysilicon maker Hemlock Semiconductor to lay off 100 workers

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U.S.-based Hemlock Semiconductor, once the world’s largest polysilicon manufacturer, has announced that it will lay off 100 employees, most of them in the first quarter of 2018.

REC Silicon’s silane/polysilicon plant in Butte, Montana

REC Silicon curtails production of solar-grade polysilicon in Butte

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U.S.-based manufacturer REC Silicon has curtailed production of solar-grade polysilicon at its facility in Butte, Montana and will focus on electronic grade for the semiconductor industry there.

Charleston residents protest against Wacker’s communication policy after hydrogen explosion at its polysilicon plant

Wacker: U.S. polysilicon plant shutdown will take several months

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After a hydrogen explosion has damaged its U.S. polysilicon plant, Wacker expects it will take several months until the plant is restarted. The company’s communication policy has sparked harsh criticism in the local community.

Vapor plume containing traces of hydrochloric acid after explosion at Wacker’s U.S. polysilicon plant in Charleston, Tennessee

Wacker’s U.S. polysilicon plant temporarily closed after explosion

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Chlorosilane escaped from two leaks after an explosion at Wacker’s polysilicon plant near Charleston, Tennessee (USA) on September 7. Production has been suspended until the cause of the explosion is found.

Wacker’s U.S. polysilicon plant in Charleston, Tennessee

Chemicals from Wacker’s U.S. polysilicon plant injure five workers

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A release of chemicals at Wacker’s polysilicon plant near Charleston, Tennessee (USA) has caused burns to five workers. They were taken to hospitals.

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.