Shandong China Coal Group Instrument Branch

Reinforcement protective layer is a routine and required inspection project in reinforced concrete structure. In a broad sense, the protective layer of reinforcement is the part of concrete that prote

Gas detector is widely used in petrochemical, environmental protection, gas, coal and other industries, for different kinds of safety production occasions and testing requirements, the selection of ap

Multi gas detector is an intrinsically safe instrument that can continuously detect the concentration of flammable gases or the concentration of toxic and harmful gases in the working environment. Mul

Portable and fast-response rebar detector can quickly detect and measure concrete depth and rebar diameter and position over a large area. This method of non-destructive testing is especially useful

In modern industry, pipeline laying is essential. Whether it is ordinary water supply, heating mains or oil pipelines, whether in daily life or in industry, pipeline communication is ubiquitous. The u

Recently, the Jining National High-tech Industrial Development Zone Federation of Trade Unions reviewed and approved the list of the first members of the trade union committee submitted by Jining Gong