Started off first with a mission to excel in the garage door tension spring industry we have a great deal of experience in the delivering the finest quality Compression springs,Extension springs,Torsion springs,Heatproof Spring,Spring steel wires and strips. Dalian Hengtong Spring Co., Ltd. Professional Association was introduced in 2005 as Exporter and Exporter of garage door tension spring, with investing in US$2.5 Million - US$5 Million as initial business capital. Sourcing finest quality raw material and housing skilled workforce led us to capturing a good proportion of consumer market based on China market share, enabling us generate Approx 2 Million US Dollar of annual revenue. Our production facility is situated in Beijing, , China, operating under Agency. For best in class garage door tension spring production and export across different region we hold 15 Years of export history, catering to Above US$100 Million export ratio.