Ningbo Zongda Spring Co., Ltd. is nestled on the southern shore of the beautiful and prosperous Ningbo Hangzhou Bay Bridge. It is a national high-tech enterprise and a provincial "Specialized, Fine, Unique, and New" enterprise, established in 1993 with three decades of development history and technical accumulation. The company boasts over 15,000 square meters of factory space, employs over 200 staff members, and has 20 professional technical personnel. By adopting advanced foreign technology, it specializes in producing a variety of specifications of rowing machine fitness spring coils, tube benders; automatic expanding spring coils for various cables and tubes; vacuum cleaner springs, gasoline engine starting springs, various small home appliance winding springs, constant force springs, and contact and non-contact helical springs, elastic elements, and high-elastic heat-treated steel strips. These products are used in industries such as garden equipment, cleaning tools, large mach...