ZHEJIANG SENTUO ELECTRIC CO.,LTD.is a prefessional company which owns the concentrated power metaltool with the product design.production marketing and service,Website:http://www.sentuoelectric.com,located in the Panshi industrial zone Beibaixiang Yueqing City Zhejiang Province.The company has passed ISO9001 international quality system certification,the company main products:Insulation puncture clamps,insulation puncture lightning protection,grounding puncture clamp,electric power fittings etc.