Grand Haven Springs Manufacturers 803 Taylor Ave Automatic Spring Products Corp. is a technology focused high volume manufacturer of custom designed compression, extension, and torsion springs, wire forms, flat springs, stampings, spring and shim washers, and assemblies. Grand Haven MI Springs Manufacturers Automatic Spring Products Corp www.automaticspring.com ASPC Automatic Spring Products Corp. compression extension torsion springs wire forms flat springs stampings shim washers assemblies Grand Haven Michigan prototyping manufacturing in-house tooling ASPC Automatic Spring Products Corp. compression extension torsion springs wire forms flat springs stampings shim washers assemblies Grand Haven Michigan prototyping manufacturing in-house tooling Business Reviews Automatic Spring Products Corp Testimonials