Company Profile

Darhor office.jpg


Darhor is the professional valve, flow meter and pressure instruments manufacturer. Our Design Center is located in Denver USA, while the factory in Hangzhou China, with workshop building area of 6000m2. Both high-qualified products and reliable service help Darhor win customers' trust, appreciation and loyalty.

R&D and Customer Service Center

  • Over the years, Darhor Tech Calibration laboratory maintains a full staff of trained and certified calibration technicians, all of which achieve uncertainties. Their knowledgeable experience in the application, installation, calibration and servicing of flow meters and solenoid valve will provide you in-dept knowledge with questions related to many types of liquid ,gas flow meters and solenoid valve, without bias on the technology or manufacturer under study.  Each customer gets the confidence and credibility that only factory authorized service can provide. Choosing a calibration service for flow meter can be an important factor in maintaining quality assurance requirements.

Factory

  • Over the years, Darhor Tech Calibration laboratory maintains a full staff of trained and certified calibration technicians, all of which achieve uncertainties. Their knowledgeable experience in the application, installation, calibration and servicing of flow meters and solenoid valve will provide you in-dept knowledge with questions related to many types of liquid ,gas flow meters and solenoid valve, without bias on the technology or manufacturer under study.  Each customer gets the confidence and credibility that only factory authorized service can provide. Choosing a calibration service for flow meter can be an important factor in maintaining quality assurance requirements.

Calibration and Testing Line

  • Over the years, Darhor Tech Calibration laboratory maintains a full staff of trained and certified calibration technicians, all of which achieve uncertainties. Their knowledgeable experience in the application, installation, calibration and servicing of flow meters and solenoid valve will provide you in-dept knowledge with questions related to many types of liquid ,gas flow meters and solenoid valve, without bias on the technology or manufacturer under study.  Each customer gets the confidence and credibility that only factory authorized service can provide. Choosing a calibration service for flow meter can be an important factor in maintaining quality assurance requirements.