Helida technology (Shenzhen) Co., LTD. Is a collection of r &d, production, sales usb flash drive, gift usb flash drive and digital products and gas room heater, gas stove on electrical products for the integration of company, but according to the needs of different clients, customized product, carries on the domestic and foreign OEM orders, gift usb flash drive, heaters, gas stove printing screen printing, printing, LOGO (laser and so on many kinds of choice) in the electronic and electrical ...