Imports of toluene diisocyanate amounted to USD 5.594 million in February 2012

Drying equipment According to customs statistics, in February 2012, the trade imported 2,372 tons of toluene diisocyanate (TDI), with an import amount of 5.594 million US dollars and an average price of US$2,359 per ton. The import volume decreased by 24.25% from the previous month, a decrease of 63.52% from the same period of last year.

Metal Assembly

Metal assembly refers to the process of joining two or more metal components to create a single, functional unit. This process can be accomplished through a variety of methods, including welding, brazing, soldering, and mechanical fastening.

Welding involves melting the metal components at the joint and fusing them together. This can be done using various heat sources, including gas flames, electric arcs, and lasers. Welding is commonly used in the construction of buildings, bridges, and other large structures.

Brazing and soldering are similar processes that involve melting a filler material to join the metal components. Brazing uses a high-temperature filler material, while soldering uses a lower-temperature material. These processes are often used in the manufacture of electronics and plumbing components.

Mechanical fastening involves using bolts, screws, or other fasteners to hold the metal components together. This method is commonly used in the assembly of machinery and vehicles.

Metal assembly is a critical process in many industries, including manufacturing, construction, and transportation. It requires skilled technicians and specialized equipment to ensure that the components are joined correctly and that the final product meets the required specifications.

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