Guangdong Shunde Huayan Electronic Technology Co., Ltd. is located in Shunde,Guangdong, where most famous for home appliances. Our brand is SURSPIDER,we on Rebar Tier R&D since 2012 . Mr. Luo is our co-founder and R&D director, who is Midea Group institute director before, Mr Yi is senior electrical designer of Siemens. They lead 12 senior engineers who with more than 10 years R&D experience in electric tools, consist the most professional, innovative and powerful team for rebar tier