Tongwei inks big polysilicon deal with Zhonghuan Semiconductor

Polysilicon supply contracts of Longi
Tongwei has struck polysilicon sales deals with the two largest manufacturers of monocrystalline wafers – Chart: Bernreuter Research

Chinese Tongwei Group has announced that it will sign a major framework agreement with the second-largest manufacturer of monocrystalline wafers, Tianjin Zhonghuan Semiconductor, on May 28. According to the agreement, Tongwei will deliver 70,000 metric tons (MT) of polysilicon to Zhonghuan from 2018 through 2021.

The announcement comes only a few days after Tongwei concluded a 55,000 MT sales contract with Longi, the largest maker of monocrystalline solar wafers, and thus increases Tongwei’s total contract volume to 125,000 MT (see chart).

Tongwei will also supply Zhonghuan with 1,800 MW of solar cells (300 MW in 2018 and 500 MW annually from 2019 through 2021). In return, Zhonguan will deliver 2.41 billion pieces of monocrystalline wafers to Tongwei in the same timeframe.

According to Digitimes, Tongwei will expand its solar cell production capacity to 10.5 GW by the end of 2018; the company is planning to reach a capacity of 30 GW, including 10 GW of bifacial heterojunction cells, by 2023.

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