... 822, DIN 2096 EN13298 standards Technical parameters wire diameters(d)coil diameters(D)Free height(L0)weight(Kg)number of active ... coil(t)12-45mm60-245mm205-423mm4-823-121.Elements: internal spring ... , Pakistan, Namibia, Venezuela, Burma, Thailand, Angola,Sudan, Australia, etc5.Besides, springs can be manufactured according to customer's requirement.6.Package ...