we are the expert in Spring Products , we can made Custom Micro Springs Miniature Springs Torsion Springs Flat Springs Compression Springs. we can make them by Nitinol wire, stainless steel. they are used much in medical industry. Niti wire is called shape memory alloy , it is defferent then typical wire alloys used cold forming or coiling wire components.We operate under a comprehensive quality program (ISO Certified) and support our processes with solid documentation, traceability and service.stainless steel spring are widely used in eletronics industry, food machine, and so on. otherwise, we have another production line for precision metal parts and systems. We provide professional services for industries including precision flow control, instruments and meters, medical equipment and life sciences, and supply them with huge quantity of high precision parts and assemblies which conform to special industrial codes. So wing-freight has richknowledge in high precision products, particularly in machiningof various stainless materials especial of implantable material(NITI, COCR, 316LVM, POM), electro-polishing, and microvia machining.主营：压簧;拉簧;线成型;片簧;精密五金加工;POM加工;精密钟表配件;精密轴件加工;盘簧;NITI弹簧;NITI合金加工;异型弹簧;