AAMMTECH Spring Ltd. is a quality spring manufacturer of precision coil springs & wire forms. AMMTECH Spring Ltd. offers Custom Made Springs as well as Specialty Springs and has 40 years of combined experience to ensure the quality of the products. As leading Spring Manufacturers, AMMTECH Spring Ltd can provide you with a range of products, such as Specialty Springs adapted to your needs by size, shape, type or any other specification you might have. Custom Made Springs are all made on-site.