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    Qingdao Hexin Machinery is professional for manufacturing,sale and research of high temperature alloy centrifugal cast tube,Heat resistant steel precision castings and sand mold casting.The main products are: Ethylene cracking furnace furnace tube ...More

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Newly Investment Cast Baskets and Trays d
    The newly finished Investment Cast Baskets and Trays had been despatched, which includes cast basket, cast trays, cast beams, cast posts and bushes. All the components are produced by lost wax invesment casting method, we use heat resistant...
Newly spiral welded radiant tubes from Fe
    the radiant tube is made by welding spirally, pressure test, PT test had been done to guarantee top quality and reliability...
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hot-dip galvanizing production line
    In the existing hot-dip galvanizing production line, the zinc pot sinking roller is an important roller that directly contacts the strip in the galvanizing process section. Due to the complex composition of zinc in the zinc pot and the high...
Hot-dip plating is a effective steel anti
    As a very effective steel anti-corrosion technology, hot-dip plating is used to coat a layer of metal or its compound on the surface of steel. Hot-dip galvanizing of steel began in the 1930s and has a history of more than 200 years. During...
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