hot coil spring：The
range of wire diameter is between *0mm and *0mm，mainly used in
engineering machinery, mining equipment and various kinds of heavy
machinery and equipment. suspension spring：Vehicle suspension springs(the
range of wire diameter is between 8mm and *0mm ) are used for all
kinds car modles of market.Whats more, we can do custom-made
business as you required for your modified cars. engine valve spring：The range of wire diameter is
between 0.3mm and 8mm，mainly for the various series of steam,
diesel engine, using high quality raw materials, the fatigue life
can reach more than *3 million times is not
failure.
