Ningbo Zongda Electrical Spring Co., Ltd. is located on the south bank of the Hangzhou Bay Bridge in Ningbo. Zongda was founded in 1993 and passed ISO9001 quality management system and other certifications in 2000. It has a development history of over 32 years and rich technical accumulation. The company has a factory area of over 8,000 square meters, with more than 140 employees and 20 professional technicians of various types. The company has introduced advanced technology and processes, and uses stainless steel and carbon steel to produce various specifications of coil springs and steel strip products, which can be applied to automatic reel, engineering vehicles, vacuum cleaners, starters, household appliances, seat belts, rowing machine , medical devices and other equipments.