These products are all components for the Electronic expansion valves,
the material are made by stainless steel 304,using progressive die for
producing,Stamping presses where the part is carried on the steel webbing
as the part progresses through the forming process.Tieniu's deep drawn metal
stamping presses are capable of drawing a variety of metal types with draw lengths
of up to 8" (200mm), part diameters as small as .25" (6.35mm), and material
thicknesses from 0.001" (0.025mm) to 0.150" (3.8mm).