jiangyin hehong precision technology co.,ltd.,jiangyin hehong precision technology co.,ltd.,jiangyi
jiangyin hehong precision technology co.,ltd.,jiangyin hehong precision technology co.,ltd.,jiangyin hehong precision technology co.,ltd.
jiangyin hehong precision technology co.,ltd.mainly copper, alloy condensate tubes,big diameter copper nickel alloy pipes, high efficiency heat exchanger tubes,nickel based corrosion resistance alloy tube,oxygen-free copper etc. rods,wires.