manufactured · input

Electronic Expansion Valves (EEV/EXV)

Electronically controlled refrigerant metering valves that replace fixed orifices or thermostatic expansion valves (TXV) in high-efficiency HVAC systems. Required for inverter/variable-speed systems. Danfoss (Denmark) and Sanhua (China) together control 70%+ of the global EEV market.

Source countries

Companies

Goods affected

Claims on record

What depends on it

Goods that need this input

2 essential American goods rely on electronic expansion valves (eev/exv) somewhere upstream in their supply chain.

Materials

HVAC systems and equipment

Heating, ventilation, and air conditioning units with semiconductor-intensive controls, copper, and aluminum.

Food

Frozen foods

Frozen vegetables, meals, pizza, and snacks dependent on cold-chain infrastructure, energy, and packaging supply.

Where it comes from

Source countries

Share of global supply, by country.

Country	Share of supply
CNChina	40%
DKDenmark	30%
USUnited States	15%
JPJapan	12%
ITItaly	3%

Who makes it

Supplier companies

4 companies produce electronic expansion valves (eev/exv).

Danfoss A/S

HQ DK35% share

Danish refrigeration/HVAC controls maker; leader in electronic expansion valves, compressors and drives.

Zhejiang Sanhua Intelligent Controls(002050.SZ)

HQ CN35% share

World's largest HVAC/refrigeration components maker; electronic expansion valves + thermal-management components for HVAC and EVs (Tesla supplier).

Fujikoki Corporation(6995.T)

HQ JP

Japanese maker of expansion valves and refrigerant-control components for HVAC and automotive.

Saginomiya Seisakusho(6482.T)

HQ JP

Japanese maker of refrigeration controls, electronic expansion valves and sensors.

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