Oriental Instruments & Dongyi Technology

Targeting global production of helium leak detection equipment; independently developed quality flow meter filling machines, with customers spread across various domestic refrigeration enterprises, enjoying high recognition in the industry.

Honorary Qualifications


An automatic alignment device for stacking workpieces

An automatic alignment device for stacking workpieces

A multi-system single-gun filling machine

A multi-system single-gun filling machine

A three-phase medium frequency voltage overvoltage protection circuit for induction heating power supply

A three-phase medium frequency voltage overvoltage protection circuit for induction heating power supply

A helium purification device

A helium purification device

A precision-controlled refrigerant charging machine

A precision-controlled refrigerant charging machine

A refrigerant charging machine with a signal feedback function and a constant pressure device.

A refrigerant charging machine with a signal feedback function and a constant pressure device.

A quick locking mechanism for refrigerant charging guns

A quick locking mechanism for refrigerant charging guns

A type of universal chain plate line

A type of universal chain plate line

An intelligent automatic oil collection device

An intelligent automatic oil collection device

Workpiece Inflation Volume Measurement Device

Workpiece Inflation Volume Measurement Device

Cyclone Oil and Gas Separation Device

Cyclone Oil and Gas Separation Device

An electrical anti-oxidation joint and high-temperature insulation box device

An electrical anti-oxidation joint and high-temperature insulation box device

Online message

The main products of our company now include refrigerant filling machine, explosion-proof filling machine, vacuum purification filling machine, special power supply, helium inspection equipment, etc.

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