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    Hi! Welcome to Huajin Group website http://www.offeronlinemarketing.com
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    Quality technology
    Technology R & D

    1.an overturning machine

    2.a heavy duty transport vehicle for steel

    3.a support block for the heat treatment of steel

    4.an electromagnetic tension control unwinding device

    5.a roll-changing device for rolling machines

    6.a peeling machine

    7.a single-drive transport vehicle for steel

    8.a single-drive transport vehicle for steel

    9.a cutting fluid filtration device for a grinding machine

    10.an automatic start control system for air conditioning in the room for horizontal drawing machine

    11.an automatic start-stop controller of pickling sprinkling pump

    12.an automatic start control system to adjust the frequency of pickling dryers

    13.a real time adjustment equipment for the roller of levelling machine

    14.a speed-measuring roll bearing for rolling machines

    15.a steel strips pinch device

    16.a roll-changing bearing device for rolling machines

    17.a hydraulic centering device for rolling machines

    18.an equipment for degreasing and squeezing

    19.an anti-shake roll for steel levelling machines

    20.a degreasing device for rolling machines

    21.a steel roll-changing vehicle for levelling machines

    22.an energy-conserving power supply system for transformers of rolling machines

    23.an automatic control device of gas supply system for degreasing production lines

    24.a control system to adjust the speed, frequency and supply of lubricant in rolling machines

    25.an efficiently operating systems to supply lubricant in rolling machines

    26.a constant pressure control system of automatic adjustment of frequency in cooling tower that can be shared by two units

    27.amplification and protection circuit for controllable silicon resistance-capacitance absorption in rolling machines

    28.a single-drive, linkage tension building control system of unwinding and rewinding for levelling machines

    29.a control system of temperature monitoring and over-temperature alarm for the room of rolling machines

    30.synchronous control system for oil and gas for rolling machines and dedicated air compressor
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