Guiyang Nanming engineering monitoring Co., Ltd. was established on April 2, 1998, formerly known as Guiyang Nanming engineering monitoring technical consulting department. It is mainly responsible for the safety monitoring instrument embedding construction and monitoring data analysis of hydropower station dam, slope, diversion tunnel, powerhouse and other water conservancy and hydropower buildings; high degree vertical hole (inverted hole and double standard inverted hole), multi-point displacement meter, inclinometer, uplift pressure monitoring, etc Drilling of measuring hole and installation of equipment......[MORE]