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.
Patent Certificate
A helium purification device
A precision-controlled refrigerant charging machine
A refrigerant charging machine with a signal feedback function and a constant pressure device.
A quick locking mechanism for refrigerant charging guns
A type of universal chain plate line
An intelligent automatic oil collection device
Workpiece Inflation Volume Measurement Device
Cyclone Oil and Gas Separation Device
An electrical anti-oxidation joint and high-temperature insulation box device
A type of workpiece detection system
A constant compression ratio unloading device
A mobile leak detection inflatable device
Sweep the access mobile terminal
Chengdu Dongfang Instrument Co., Ltd.
Service Hotline:8602865518699
Sales Hotline:8613908209306 (Equipment)
8613908085776 (power supply and module)
Contact E-mail:cdoi@cdoi.com
Contact address: dongyi technology co., ltd., no 199, section 2, chongshuang freight avenue, chongzhou city, Chengdu city, Sichuan province, China
CopyRight©2025 Chengdu Dongfang Instrument Co., Ltd. All rights reserved
Hotline：8602865518699
After Sales(power supply and module)：8613908085776
After Sales(Equipment)：8613908209306
Email：cdoi@cdoi.com
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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