... leafspring including conventional leaf spring, Z type leaf spring and parabolic leafspring. Yearly turnout is more than 100,000 ... is within 3-4 weeks after receiving orders.Technically, thickness from 6 mm to 40 mm, and material SUP6, SUP7, SUP9, ... reputationfor our products by high quality at competitive price and best services in internationalmarket including European market, American market, Asian ...