Industry Qualifications
Jiannan Machinery has been an intelligent product service provider for over 50 yearsLocation:Home / About us / Certificates / Industry Qualifications
Single phase cost control intelligent energy meter
Single phase electronic prepaid energy meter
Three phase four wire electronic prepaid energy meter
Three phase four wire cost control intelligent energy meter
quality management system certification
Environmental Management System Certification Certificate
Occupational Health and Safety Management System Certification
Power grid concentrator for power system
Smart Meter Digital Manufacturing Platform Based on Intelligent Manufacturing
An automated flow processing device for electric meter power board processing
A mechanical testing method and equipment for smart meters
A residual current monitoring method, system, and single-phase intelligent energy meter
0745-2380548
market@hhjnc.com
Hongji Building Changshou Industrial Park Industrial Concentration Zone Mayang Miao Autonomous County Huaihua City Hunan Province
