Benson Optical Electronic limited was found in 2005 in Hongkong. It factory located in Xiaobian 2nd Industrial Park,Changan Town,Dongguan City, Guangdong Province,China. The factory covers the area of 1,300 square meter. we are a professional safety&protection product manufactory.Our product that is autodarkening welding helmet with welding helmet filter. it is great for use with MIG/MAG,TIG and ARC welding.The products main sell oversea market. Our annual turnover is about US$1, 500, 000 and 70% of them mainly export to Europe and North America.