... I dental spot welder produced by Hangzhou ZhongRun Medical Instrument Co., LTD. It has spot welding function, with big power, and high ... dental orthodontics and treatment.4.Characteristics(1).Adopt microprocessor control system, reliable quality, and high control precision.(2).Adopt LCD ... channelsOur Beijing , Shanghai, guangzhou & IDS Exhibition Our factory Dental laboratory equipment Spot Welder