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Hebei Huanhai Import & Export Trading Co., Ltd.
Custom Manufacturer
12yrs
Hebei, China
Main categories: Transformer Test Equipment, Transformer Oil Tester, Relay Tester, High Voltage Tester, Circuit Breaker Tester
#5 leading factory for Testing EquipmentAnnual export US $3,900,000ODM services availableMulti-Language capability: Years in industry(17)
Top picks

Product categories

Lab Equipment Automatic Surface Tension Meter for Testing Water Liquid and Mineral Oil Inter Facial Tension
$2,097
Min. order 1 unit
50kV 100kV 150kV 200kV 300kV 400kV 500kV Kilovoltmeter 0.5 Level Precision Digital AC DC High Voltage Divider Price
$3,500-23,550
Min. order 1 set
Toroidal Power 50Hz 60Hz Frequency 3000W Autotransformer 220V 110V Step Voltage Converter 3000VA 3KW 3KVA
$30-100
Min. order 1 piece
HZLY-30 1800LPH Filtradora De Aceite Dielectrico Mobile Type Transformer Oil Purification and Filling Apparatus
$5,807
Min. order 1 unit
Relay Protection Tester
All products
Relay Protection Tester
HZJB-D Microcomputer One Phase Protection Relay Test Set Secondary Current Injection Tester
$2,550
Min. Order: 1 set
Huazheng HZJB-I Low Cost 3Phase Secondary Injection Relay & Protection Microcomputer Test System
$669-4,258
Min. Order: 1 set
Huazheng HZJB-1600B Six Phase Relay Protection Tester High Accuracy Relay Calibration Box
$8,000-21,290
Min. Order: 1 set
HZJB-1200 Strumento Per Prova Rele Di Protezioni Low Cost Six Phase Relay Testing Device 6 Phase Relay Protection Tester
$4,258-8,710
Min. Order: 1 set
HZJB-I Secondary Current Injector Test Kit Portable Three Phase Relay Protection Tester
$1,669-4,258
Min. Order: 1 set
Huazheng HZJB-I Secondary Current Measurement Device 3 Phase Relay Protection Check Test Case
$1,669-4,258
Min. Order: 1 set
Huazheng HZJB-1700 Hand-held Three Phase Relay Tester Set Secondary Current Injector for Relay Testing
$16,452
Min. Order: 1 set
Model HZJB-1200 Six Phase Relay Protection Tester 6 Phase Secondary Current Injection Test Set
$4,258-8,710
Min. Order: 1 set
HZJB-1700 Handheld Relay Test Set Battery Operated Hand-held Three-phase Relay Protection Tester Price
$3,150-16,452
Min. Order: 1 set
HZJB-1200 Six Phase Secondary Current Injection Test Set Intelligent Universal Microcomputer Multi-Phase Relay Tester
$7,150-8,710
Min. Order: 1 set
HZJB-I Three Phase Secondary Current Injection Test Set 3 Phase Relay Protection Tester
$669-4,258
Min. Order: 1 set
HZJB-II Intelligent Electrical Portable Single Phase Secondary Current Injection Relay Protective Tester
$2,710
Min. Order: 1 set
China Microcomputer 3 Phase Relay Protection Tester Portable Protective Relay Test Equipment Price
$4,258
Min. Order: 1 set
Huazheng HZJB-Y Secondary Current Injection Test System Single Phase Relay Tester Price
$2,600-4,130
Min. Order: 1 set
2025 New Type HZJB-II Single Phase Protection Relay Test Set for Sale
$2,200-2,710
Min. Order: 1 set
Substation Electrical Testing Equipment Single Phase Protection Relay Test Kit
$2,550
Min. Order: 1 set
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