Chengde City Zongchi Testing Instrument Co., Ltd specializes in researching Polymer Materials Test Methods and manufacturing material tester in China. Our company is located in historical and cultural city_Chengde city, Hebei province. We mainly manufacture Universal Testing Machine, Hydrostatic Pressure Tester, Melt Flow Indexer, HDT/ Vicat Tester, Impact Tester, Falling Weight Impact Tester, Ring Stiffness Tester and other nonmetal materials testing machines which are used in chemical industry, plastic industry, engineering plastics, rubber industry, packing materials and so on.