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Solar PV Supply Chain

Polysilicon Refining

Intermediate Processing

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Solar PVIntermediate Processing

Polysilicon Refining

MG-Si is purified to solar-grade polysilicon (>99.9999%) via Siemens process or fluidized bed reactor.

Suppliers
28
CLEAR
10
CAUTION
1
FLAGGED
0
BLOCKED
12

Process flow

Upstream inputs

Suppliers at this stage

View all 28
AE Polysilicon Corporation
Moses Lake (Washington) · US · Polysilicon
CAUTION
Asia Silicon (Qinghai) Co. Ltd.
Xining · CN · Polysilicon
N/A
Daqo New Energy Corp.
Shanghai · CN · High-purity polysilicon
BLOCKED
East Hope Group
Shanghai · CN · Polysilicon
BLOCKED
Fine Silicon Co. Ltd.
Baoding · CN · Polysilicon
N/A
GCL Technology Holdings Limited
Hong Kong SAR · CN · Metallurgical Grade Silicon (MGS) Smelting | Polysilicon; Ingot; Wafer | Polysilicon, Wafers
BLOCKED
Hemlock Semiconductor LLC
Hemlock · US · Polysilicon
CLEAR
Hongyuan Energy Technology
CN · Polysilicon
BLOCKED
Jiangxi LDK Solar High-Tech Co. Ltd. (LDK)
Xinyu · CN · Polysilicon; Ingot; Wafer
BLOCKED
MEMC Electronic Materials / SunEdison Semiconductor
St. Peters (Missouri) · US · Polysilicon; Ingot; Wafer
CLEAR
Mitsubishi Materials Corporation
Tokyo · JP · Polysilicon | Silver Paste
CLEAR
Mitsubishi Polycrystalline Silicon America Corp.
· Polysilicon
CLEAR
OCI Company Ltd.
Seoul · KR · Polysilicon, Chemicals
CLEAR
OCI Malaysia Sdn. Bhd. (OCIM)
Bintulu · MY · Polysilicon
CLEAR
Qatar Solar Technologies
Doha · Wafer | Polysilicon
N/A
Qinghai Lihao Semiconductor Material Co.
Qinghai · CN · Polysilicon
BLOCKED
REC Silicon ASA
Lysaker · NO · Metallurgical Grade Silicon (MGS) Smelting | Silane Gas, Polysilicon
CLEAR
Risen Energy Co. Ltd.
Ningbo · CN · Polysilicon; Ingot; Wafer; Cell & Module (PERC; HJT; TOPCon; Bifacial) | Modules, Energy Storage
BLOCKED
Sichuan Yongxiang Co. Ltd.
Leshan · CN · Metallurgical Grade Silicon (MGS) Smelting | Polysilicon
BLOCKED
SMP Ltd. ()
Gunsan · KR · Polysilicon
N/A
Tokuyama Corporation
Shunan · JP · Polysilicon | Semiconductor/Solar Poly
CLEAR
Tongwei Co. Ltd.
Chengdu · CN · Polysilicon; Ingot; Wafer | Polysilicon, Cells, Modules
BLOCKED
United Solar Polysilicon (FZC) SPC
· Polysilicon
CLEAR
Wacker Chemie AG
Munich · DE · Metallurgical Grade Silicon (MGS) Smelting | Polysilicon, Chemicals
CLEAR
Woongjin Polysilicon Co. Ltd.
Gumi · KR · Polysilicon
N/A

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