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.

Workers manually crush silicon metal in the Jingang Circular Economy Industrial Park in Yili (also known as Ili) prefecture, Xinjiang, China

(comments: 0)

A new research report from the Sheffield Hallam University in England uncovers so far unknown details about silicon metal, polysilicon and wafer manufacturers using forced labor in Xinjiang.

Polysilicon plant of Inner Mongolia Tongwei in Baotou, Inner Mongolia, China

(comments: 0)

Leading Chinese polysilicon manufacturers Tongwei and Xinte Energy are boosting the capacity of their production facilities through upgrades and debottlenecking by 50,000 metric tons in total.

Groundbreaking ceremony for a 100,000-ton fluidized bed reactor (FBR) plant of GCL-Poly in Leshan, Sichuan province, China on October 18, 2020

(comments: 0)

China-based polysilicon manufacturers outdo each other with ever bigger capacity announcements. What appears like a bodybuilder competition has a serious background: accelerating PV growth.

Polysilicon plant of Xinte Energy in Urumqi, Xinjiang region, China

(comments: 0)

Xinjiang-based polysilicon manufacturer Xinte Energy has announced plans to build a 200,000-ton plant in Baotou, Inner Mongolia, with construction of the first 100,000-ton phase starting in 2021.

Polysilicon supply contracts of Longi Green Energy Technology and Zhonghuan Semiconductor

(comments: 0)

Longi Green Energy Technology and Zhonghuan Semiconductor, the world’s two largest makers of monocrystalline solar wafers, have closed major supply contracts with GCL’s polysilicon subsidiary Jiangsu Zhongneng.

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

(comments: 0)

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

(comments: 0)

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

(comments: 0)

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

(comments: 0)

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

(comments: 0)

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.