China Melparts Precision Manufacturing Co., Ltd. development and produce  insulation welding pins, the y are used to fasten the duct liner to sheet metal,  they are easy to use, just weld the pin to the sheet metal. use of professional easy to weld the nail materials, with our own brand of special welding machine, construction more convenient and more solid, to solve those who do not do professional manufacturers Out of the insulation welding pins prone to welding is not strong, welding problems with the ventilation pipe. We have a mature production capacity, including all the US and the European system of various specifications of the tooling, give us orders, do not open the mold, do not have such samples, quality guaranteed, fast delivery, the price is competitive.

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