HalTech aims at offering comprehensive products and system solutions in a broad range of environmental monitoring instruments. HalTech is the only company to offer a handheld-portable hybrid particle counter and continues to revolutionize the industry through innovative design and development to meet customers' needs. Our customers are all over the world and reach all continents include well-known institutions and companies such as Boeing, Samsung, MIT, Caltech, NASA, almost all the national laboratories and National Research Council Canada, etc. HalTech also offers a complete package of calibration, service, repair, training and consultation. HalTech also offers a complete package of calibration, service, repair, training and consultation services.