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    At present, H&H Technology Co., Ltd is the high-tech company which provides conformal coating material、 PCB total solutions for conformal coating material、Precision dispensing 、selective automatic coating machine, coating process technology, quality control method in China. Its main customers distribute in automotive electronics, industrial automation, power supply, inverter, high-quality home appliances, communications and other fields. Including the well- known enterprised such as HUAWEI, SIE