Solar PV Supply Chain

Polysilicon Refining

Intermediate Processing

Back to all stages

Solar PV›Intermediate Processing

Polysilicon Refining

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

Suppliers

CLEAR

CAUTION

FLAGGED

BLOCKED

Process flow

Upstream inputs

Metallurgical Silicon

Downstream outputs

Ingot Growth & Wafer Cutting

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| Hyper-pure (semiconductor-grade) polysilicon via Siemens process

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| Electronic-grade polycrystalline silicon

CLEAR

Mitsubishi Polycrystalline Silicon America Corp.

· Polysilicon

CLEAR

OCI Company Ltd.

Seoul · KR · Polysilicon, Chemicals| Electronic-grade and solar-grade polysilicon

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| High-purity polycrystalline silicon (up to 11N), electronic and solar grade

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

Building a solar pv BOM?

Upload your bill of materials. Verdex runs FEOC screening on every supplier.

Contact