Hartai Technology Industry Co., Ltd. is committed to nozzle, ruby products, tungsten carbide products, ceramic products, plastic crochet hook and precision machinery manufacturing, and technology and equipment by virtue of their own superiority, self-development, technological innovation, so that technology is getting more sophisticated, continuously improve product quality, The main products are coil winding machine: nozzle(motor nozzle, ruby nozzle, tungsten carbide nozzle), ceramic roller, jump wire preventer, ceramic pigtail , tension gun, various sizes of ceramic eyes, combination wire roller, ceramic wheel and non-standard parts, all kinds of tension, and wire barrel, plastic crochet hook, and so on.