Ningbo Ranlong Electric Co., Ltd. is located in Ningbo, Zhejiang, China. It is a comprehensive insulating material manufacturer integrating production, research and development, and sales, including: polyimide powder and profiles, PI board and rod processing; High-performance special engineering plastic PBI (Polybenzimidazole) Materials R&D; high-strength FRP insulation Deep processing of casing, epoxy resin glass filament winding pipe (cloth pipe), pultruded pipe insulation, etc.; high heat-resistant products and engineering plastics, etc. Products can be widely used in military industry, aerospace, automobile, office equipment, electronic and electrical equipment, scientific instruments, industrial machinery, plasma cutting and other industries. Our company mainly cooperates with the Institute of Polymer Materials, Wuhan University of Technology and other universities for research and development and production. 9 years of production and sales experience, advanced automated production lines, and excellent technology ensure that we can provide you with products that meet international standards and different requirements.