Quality standards for domestic production of galvanized iron wire Circular cross-section low-carbon steel wire for general binding, nail making, weaving, and construction purposes. Currently, the standard for domestic manufacturers is “General Purpose Low Carbon Steel Wire” YB/T 5294-2009 (YB – Black Metallurgy Industry Standard of the People’s Republic of China); This standard was issued by the Ministry of Industry and …

Inspection standard for galvanized iron wire Firstly, use a micrometer to measure the diameter of the galvanized wire evenly and maintain it at around 0.02mm above or below the contract signing standard. The appearance should be neat, without missing plating or disordered wires. Take 20cm of galvanized wire for acid mist experiment, and use a balance to check whether the …

Vietnam,China,Cambodia,Indonesia,Thailand Russian,India Birch Plywood production process Forest harvestingBirch is the raw material used in the production of plywood.More than 80% of production is supplied by the Group’s own resource base.Hydrothermal treatment of timberBefore peeling by direct immersion in hot water, this process is used in the plywood industry for processing logs to increase the plastic properties of timber and create …