Where does Chint Power Systems source its components?
China. Supply chain mapped to 34 inputs across 5 countries.
Yes. Chint Power Systems is organized in China, a covered nation under the FEOC rules, which makes it a foreign entity of concern for IRA clean-energy tax credit purposes. It is not named on any of the 3 federal restricted-party lists screened for this record (DOD Section 1260H, BIS Entity List, OFAC SDN List). Is Chint Power Systems a Foreign Entity of Concern?
Upstream sourcing exposure
30 in covered nations - 2 elevated, of 34 nodes.
Where inputs are mined and refined. Not a FEOC determination for the company -- see the federal list screening above.
Refining chokepoint
5 of 5 processing/refining steps in covered nations
Sourcing Concentration by Country
Sourcing risk across the graph
Where each input is mined or refined. Not a FEOC determination for the company.
Legend
Node Types
Sourcing risk
Relationships
Every mapped input in the Chint Power Systems supply chain
34 nodes, grouped by supply-chain tier. Sourcing risk describes where an input is mined or refined; it is not a FEOC determination for Chint Power Systems.
Producer (1)
| Input | Origin | Sourcing risk | Basis |
|---|---|---|---|
| Chint Power SystemsShanghai, China (HQ / productization); Chint Group manufacturing, China | China | Covered nation | China-headquartered PV inverter maker (part of Chint Group, Shanghai). US arm CPS America runs R&D in Dallas, TX but core production and supply chain sit in China; China HQ = FEOC-flagged. |
Component (14)
| Input | Origin | Sourcing risk | Basis |
|---|---|---|---|
| Power Semiconductor Module (IGBT / SiC) | China | Covered nation | DC-AC switching stage. IGBT modules and increasingly SiC MOSFET modules; Chinese IDMs (e.g. CR Micro, Yangjie, StarPower) dominate domestic module packaging. |
| IGBT / Diode Silicon Die | China | Covered nation | Bare power silicon die fabricated on high-purity silicon wafers; China expanding domestic power-die fabs. |
| SiC MOSFET Die | China | Covered nation | Used in high-efficiency (98%+) NPC topology. Chinese SiC device makers San'an, BYD Semi; China pushing >50% of global SiC wafer output by 2024. |
| Monocrystalline Silicon Wafer | China | Covered nation | Semiconductor-grade Si wafer for IGBT/diode die; grown from electronic-grade polysilicon. China ~65-70% of global wafer stage. |
| Silicon Carbide (SiC) Wafer / SubstrateSICC / TankeBlue / San'an fabs, China | China | Covered nation | China became 2nd-largest SiC wafer supplier globally; >50% of world SiC wafers projected from China in 2024. Grown from SiC boule (Si metal + carbon). |
| Magnetics Subsystem (Transformer / Inductor)Chint Group, China | China | Covered nation | Integrated transformer/inductor subsystem sourced from within Chint Group in China; filters output, provides isolation. |
| Electrical / Silicon Steel Core | China | Covered nation | Grain-oriented / non-oriented electrical steel laminations for inductor and transformer cores. China has dominant electrical-steel ecosystem. |
| Copper Windings / Litz Wire | China | Covered nation | Enameled copper magnet wire for transformer/inductor windings; drawn from refined copper, largely finished in China. |
| DC-Link Film Capacitor BankChinese film-cap makers (e.g. CRE, Jiangsen) | China | Covered nation | Metallized polypropylene DC-link caps stabilize the DC bus. Multiple Chinese suppliers dominate solar-inverter film caps. |
| Aluminum Electrolytic Capacitor | China | Covered nation | Bulk DC-bus energy storage caps; anode = etched aluminum foil. Asia/China-dominant supply. |
| Tantalum Capacitor (control board) | China | Covered nation | High-density caps on control/gate-drive PCBs. Tantalum anode powder; refining concentrated in China. |
| Control / Power PCB Assembly | China | Covered nation | Gate-drive, control and power PCBs manage timing, power quality, safety. FR-4 boards, populated in China. |
| Copper-Clad Laminate (FR-4) | China | Covered nation | Woven-fiberglass + epoxy core clad with copper foil; China leading CCL/PCB producer. |
| Aluminum Enclosure / Heatsink | China | Covered nation | NEMA-rated die-cast/extruded aluminum enclosure and heatsink for thermal dissipation; fabricated in China. |
Processing and refining (5)
| Input | Origin | Sourcing risk | Basis |
|---|---|---|---|
| Quartzite / Silica Processing (arc-furnace feed)China silica processing | China | Covered nation | Quartzite reduced with coal/charcoal to silicon metal. China holds large high-grade quartzite reserves and dominant refining capacity; refining step = FEOC-flagged even if some ore imported. |
| Electrical Steel Rolling MillChinese steel mills (e.g. Baosteel-class) | China | Covered nation | Fe-Si alloy hot/cold rolled into thin oriented laminations; China is a leading GOES producer. Refining/rolling step = flagged. |
| Copper Smelter / Electrolytic RefineryChinese copper smelters | China | Covered nation | Copper concentrate smelted and electro-refined to Grade-A cathode. China dominant refiner; Chile/Peru/Mexico are top concentrate suppliers to China. |
| Tantalum Concentrate RefinerChina (final refining/smelting) | China | Covered nation | Coltan concentrate treated with HF/H2SO4 to separate Ta; final smelting predominantly in China. FEOC chokepoint. |
| Alumina Refinery (Bayer process)Chinese alumina refineries | China | Covered nation | Bauxite digested in caustic soda to alumina, then smelted. China leading alumina refiner. Refining step = flagged. |
Raw material (9)
| Input | Origin | Sourcing risk | Basis |
|---|---|---|---|
| Electronic/Solar-Grade PolysiliconXinjiang / Inner Mongolia polysilicon plants, China | China | Covered nation | China makes >95% of world polysilicon supply (end-2024). Siemens-process refining of silicon metal — a Chinese midstream chokepoint. |
| Silicon Metal (98%+ Si)Carbothermic arc furnaces, China | China | Covered nation | Quartzite smelted with carbon in electric-arc furnaces to silvery-gray silicon metal. China dominant producer of metallurgical silicon. |
| Refined Copper Cathode (99.99%)Chinese electrolytic refineries | China | Covered nation | China refines ~45% of world's refined copper despite ~4% of reserves. Electrolytic refining = Chinese midstream chokepoint → flagged. |
| Metallized Polypropylene Film | China | Covered nation | Thin PP dielectric film vacuum-metallized with aluminum/zinc; largely produced in China/Asia. |
| Etched Aluminum Anode Foil | China | Covered nation | High-purity etched/formed aluminum foil for electrolytic-cap anodes; China leading foil producer. |
| Refined Tantalum Powder / MetalChinese tantalum refineries | China | Covered nation | China dominates tantalum-concentrate processing to metal/powder; few refiners exist outside China. |
| Electrodeposited Copper Foil | China | Covered nation | Copper foil for CCL cladding, electrodeposited from refined copper; China-dominant. Traces back to refined copper cathode. |
| Woven Fiberglass + Epoxy Resin | China | Covered nation | Glass cloth impregnated with epoxy resin (B-stage prepreg); China-dominant electronic-grade fiberglass. |
| Primary Aluminum IngotChinese smelters | China | Covered nation | Hall-Héroult smelting of alumina to aluminum; China dominant primary-aluminum smelter → flagged. |
Mine and extraction (5)
| Input | Origin | Sourcing risk | Basis |
|---|---|---|---|
| Quartzite / High-Purity Quartz MineQuartzite mines, China (reserves also Brazil, Norway, USA/Spruce Pine NC) | China | Covered nation | SiO2 ore. China has abundant deposits; high-purity quartz for crucibles concentrated at Spruce Pine, NC (USA). Mixed geography = review. |
| Iron Ore MinePilbara, Australia / Brazil | Australia | No known risk factor | Primary iron feedstock for electrical steel; largely allied-mined (Australia, Brazil). Mine itself = clean; downstream China rolling = flagged. |
| Copper MineChile (~23% of global output) / Peru | Chile | No known risk factor | Copper ore mined mainly in Chile & Peru (allied). Mine = clean; the refining that follows in China is the flagged step. |
| Coltan (Tantalum Ore) MineDRC / Rwanda artisanal mines | Democratic Republic Of Congo | Elevated sourcing risk | DRC ~41% of mined tantalum (2023); Rwanda major exporter. Conflict-mineral (3TG) region → review; downstream China refining = flagged. |
| Bauxite MineGuinea / Australia (also domestic China diasporite) | Guinea | Elevated sourcing risk | Bauxite ore; major allied sources Guinea & Australia plus domestic Chinese diasporite. Mixed origin = review; Chinese refining/smelting = flagged. |
Material flow (38 relationships)
- Chint Power Systems assembles Power Semiconductor Module (IGBT / SiC) (Power semiconductor module (IGBT/SiC))
- Chint Power Systems assembles Magnetics Subsystem (Transformer / Inductor) (Transformer/inductor magnetics subsystem)
- Chint Power Systems assembles DC-Link Film Capacitor Bank (DC-link film capacitor bank)
- Chint Power Systems assembles Aluminum Electrolytic Capacitor (Aluminum electrolytic capacitors)
- Chint Power Systems assembles Control / Power PCB Assembly (Control/power PCB assembly)
- Chint Power Systems assembles Aluminum Enclosure / Heatsink (Aluminum enclosure/heatsink)
- Power Semiconductor Module (IGBT / SiC) supplies IGBT / Diode Silicon Die (IGBT/diode silicon die)
- Power Semiconductor Module (IGBT / SiC) supplies SiC MOSFET Die (SiC MOSFET die)
- IGBT / Diode Silicon Die supplies Monocrystalline Silicon Wafer (Monocrystalline silicon wafer)
- SiC MOSFET Die supplies Silicon Carbide (SiC) Wafer / Substrate (SiC wafer/substrate)
- Monocrystalline Silicon Wafer supplies Electronic/Solar-Grade Polysilicon (Electronic-grade polysilicon)
- Silicon Carbide (SiC) Wafer / Substrate supplies Silicon Metal (98%+ Si) (Silicon metal (SiC boule feed))
- Electronic/Solar-Grade Polysilicon refines Silicon Metal (98%+ Si) (Silicon metal to polysilicon (Siemens process))
- Silicon Metal (98%+ Si) refines Quartzite / Silica Processing (arc-furnace feed) (Quartzite reduced to silicon metal)
- Quartzite / Silica Processing (arc-furnace feed) sources from Quartzite / High-Purity Quartz Mine (Quartzite / silica ore)
- Magnetics Subsystem (Transformer / Inductor) supplies Electrical / Silicon Steel Core (Electrical/silicon steel core)
- Magnetics Subsystem (Transformer / Inductor) supplies Copper Windings / Litz Wire (Copper magnet wire windings)
- Electrical / Silicon Steel Core refines Electrical Steel Rolling Mill (Fe-Si electrical steel rolling)
- Electrical Steel Rolling Mill sources from Iron Ore Mine (Iron ore)
- Electrical Steel Rolling Mill sources from Silicon Metal (98%+ Si) (Silicon alloying addition)
- Copper Windings / Litz Wire supplies Refined Copper Cathode (99.99%) (Refined copper cathode)
- Refined Copper Cathode (99.99%) refines Copper Smelter / Electrolytic Refinery (Copper concentrate smelted/electro-refined)
- Copper Smelter / Electrolytic Refinery sources from Copper Mine (Copper ore/concentrate)
- DC-Link Film Capacitor Bank supplies Metallized Polypropylene Film (Metallized polypropylene film)
- Metallized Polypropylene Film sources from Primary Aluminum Ingot (Aluminum metallization)
- Aluminum Electrolytic Capacitor supplies Etched Aluminum Anode Foil (Etched aluminum anode foil)
- Etched Aluminum Anode Foil sources from Primary Aluminum Ingot (Aluminum ingot)
- Control / Power PCB Assembly supplies Copper-Clad Laminate (FR-4) (Copper-clad laminate)
- Control / Power PCB Assembly assembles Tantalum Capacitor (control board) (Tantalum capacitors on PCB)
- Copper-Clad Laminate (FR-4) supplies Electrodeposited Copper Foil (Electrodeposited copper foil)
- Copper-Clad Laminate (FR-4) supplies Woven Fiberglass + Epoxy Resin (Fiberglass + epoxy prepreg)
- Electrodeposited Copper Foil sources from Refined Copper Cathode (99.99%) (Refined copper)
- Tantalum Capacitor (control board) supplies Refined Tantalum Powder / Metal (Tantalum anode powder)
- Refined Tantalum Powder / Metal refines Tantalum Concentrate Refiner (Tantalum concentrate refined to metal/powder)
- Tantalum Concentrate Refiner sources from Coltan (Tantalum Ore) Mine (Coltan (tantalum ore))
- Aluminum Enclosure / Heatsink supplies Primary Aluminum Ingot (Primary aluminum ingot)
- Primary Aluminum Ingot refines Alumina Refinery (Bayer process) (Alumina smelted (Hall-Heroult) to aluminum)
- Alumina Refinery (Bayer process) sources from Bauxite Mine (Bauxite ore)
Sources and methodology
Research-based supply-chain map compiled from public sources - not an audited bill of materials. Tiers reflect the standard industry structure for this product. Sourcing risk on a node describes where that input is typically mined or refined; it is not a FEOC determination for Chint Power Systems, and it is not a screening result for the node itself unless a federal listing is cited against it. Verify against primary documentation before making a compliance determination.
Primary sources (1) - government, filings, standards bodies
Secondary sources (31) - trade press, analysts, reference works
- chintpowersystems.com chintpowersystems.com/
- chintpowersystems.com chintpowersystems.com/string-inverters/
- solarpowerworldonline.com solarpowerworldonline.com/suppliers/chint-power-systems/
- solarpowerworldonline.com solarpowerworldonline.com/2025/08/cps-america-americas-1-string-inverter-provider/
- samrinc.com samrinc.com/blog/whats-inside-solar-inverter/
- inverter.com inverter.com/what-are-the-types-and-main-components-of-solar-inverter
- passive-components.eu passive-components.eu/passive-components-selection-guide-for-solar-inverters/
- efficiencywins.nexperia.com efficiencywins.nexperia.com/innovation/harnessing-the-sun-semiconductors-in-solar-inverters
- tycorun.com tycorun.com/blogs/news/top-10-inverter-igbt-companies-in-china
- hiitio.com hiitio.com/top-10-sic-power-module-suppliers-in-china/
- digitimes.com digitimes.com/news/a20240415VL201/china-sicc-sic-wafer.html
- digitimes.com digitimes.com/news/a20231023PD210/silicon-carbide-china-compound-semiconductor-ic-manufacturing-sic.html
- cen.acs.org cen.acs.org/energy/solar-power/US-solar-polysilicon-supply-problem/100/i33
- itif.org itif.org/publications/2025/09/08/china-plans-to-dominate-a-key-semiconductor-material/
- waferpro.com waferpro.com/chinas-dominance-in-the-global-silicon-supply/
- minespider.com minespider.com/blog/know-the-source-the-polysilicon-supply-chain
- siliconsteelpro.com siliconsteelpro.com/grain-oriented-electrical-steel-goes/
- huaxiaometal.com huaxiaometal.com/blogs/overview-of-the-production-process-and-development-of-oriented-silicon-steel.html
- features.csis.org features.csis.org/copper-in-latin-america/
- faxiangongchang.com faxiangongchang.com/en/reports/china-copper-smelting-2026
- sarkwire.com sarkwire.com/blogs/the-journey-of-copper-from-raw-material-to-reliable-wire
- cre-elec.com cre-elec.com/high-performance-dc-link-pp-film-capacitor-for-solar-inverter-product/
- chinajiangsen.com chinajiangsen.com/product/
- sciencedirect.com sciencedirect.com/science/article/pii/S092134491730352X
- questmetals.com questmetals.com/blog/how-conflict-tantalum-ends-up-on-our-devices
- globalwitness.org globalwitness.org/en/campaigns/transition-minerals/who-buys-rwandas-smuggled-coltan-the-global-journey-of-conflict-coltan-from-drc-to-the-worlds-electronics/
- raypcb.com raypcb.com/epoxy-resin-used-for-ccl-in-pcb-and-its-development-trend/
- pcbjhy.com pcbjhy.com/what-is-copper-clad-laminate-ccl/
- harboraluminum.com harboraluminum.com/aluminum-process/
- adtechamm.com adtechamm.com/aluminium-smelting-and-refining/
- farmonaut.com farmonaut.com/mining/is-aluminum-mined-where-is-aluminum-mined-in-2026
Common questions
- Where does Chint Power Systems source the inputs in this product?
- This map traces 34 inputs across 5 countries, including 10 mines and refiners. It is compiled from public sources and is not an audited bill of materials.
- How much of the Chint Power Systems supply chain sits in a covered nation?
- 30 of 34 mapped inputs are sited in a covered nation (China, Russia, Iran or North Korea) or named on a federal restricted-party list. A further 2 carry elevated sourcing risk without either basis.
- Is Chint Power Systems itself a Foreign Entity of Concern?
- Yes. Chint Power Systems is organized in China, a covered nation under the FEOC rules, which makes it a foreign entity of concern for IRA clean-energy tax credit purposes. It is not named on any of the 3 federal restricted-party lists screened for this record (DOD Section 1260H, BIS Entity List, OFAC SDN List). Sourcing risk in this map describes where inputs are mined and refined and is a separate question from the company's own federal screening.
