Weihai Guanghe IoT Technology Co., Ltd. Quality Management System is ISO 9001:2015 certified.
Guanghe has more than 12 years professional experience in geotechnical and argiculture zone. Customers like Aluminum Corp of China Limited, Sinomine Resource Group, China Nonferrous Metal Mining are very satisfied with our instrument for many years.
We guarantee to customers that a quality control management system is in place and being strictly followed.