Huakang Electric Heating Insulation Material Factory was founded in 1993,we are professional manufacturer of magnesium oxide tube.We specialize in producing all kinds of magnesia products of round tube type, square tube type, flat tube type and multi-pores type as well as screw type for electric heating element plants. We have been summing up a set of new process and formula through many years¡¯ working and leaning. We can produce many types of magnesia tubes as well as magnesia rods of single and double ...
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