Nanjing hengjie steel industrial Co., Ltd is a joint-stock company.The company focuses on providing high value-added spring steel products at the beginning of establishment, and creates more value for users. We take “quality first” as company’s marketing ways, ”Create future, Insist perfection and particularity” as operation principle. Nowadays, we own many senior engineers With more than 15 years experience, 3 intensive processing of advanced production lines, full sets of testing equipment.