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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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Usage method for extending the service li
    Usage method for extending the service life of heat-resistant steel castings Our company specializes in producing various equipment accessories such as heat-resistant steel castings, furnace rollers, radiation tubes, industrial furnaces, et...
How to distinguish between heating tubes
    How to distinguish between heating tubes and electric heating radianttubes? Heating tube: Electric heating tube (electric heating tube) is made of metal tube, which is used as an external high resistance electric heating alloy wire as a hea...
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