Dongguan Qihan Technology Co. Ltd., is located in Dongguan Guangdong, China started to produce 3D printing pens from 2016, is the mainstream 3D printing products manufacturer in China at present. br
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Dongguan Qihan Technology Co. Ltd., is located in Dongguan Guangdong, China started to produce 3D printing pens from 2016, is the mainstream 3D printing products manufacturer in China at present. br