Ningbo Changshi Electric Power Machinery Manufacturing Limited is the leading manufacturer & and exporter which Specializing in Tools and equipment for Power Line, Substation, Electrical Construction and Maintenance in China.Located in Ningbo Fenghua Industrial Park. Covers an area of 100,000 m2, total building area is 48000m2. At present, the company has more than 300 staff, including experts enjoying special allowance from the State Council, and many senior engineers, assistant engineers and senior technicians.The company has 320 pieces (sets) of various production equipment. It has state-of-the-art testing methods, including a 40-meter high testing tower (load:40t) and a large-scale outdoor testing field, which covers an area of 4000m2, which is suitable for the simulated test of stringing equipment, tools and electric power fittings; as well as many other testing rooms, for example, 1000KN horizontal tensile tester and 600KN multifunctional vertical tester are fit for the tensile test of construction tools and machines of transmission lines up to 1000KV.We are devoted to the one-stop supply for both overhead and underground line tension stringing solutions, we are willing to develop and share success with you.