machine-CNC

Our production base contains a wide variety of world-class manufacturing machines, treatment and testing equipment.

Our production base contains a wide variety of world-class manufacturing machines, self-
invented machines, treatment and testing equipment.

We are a leading spring manufacturer providing spring engineering services along with custom spring engineering, assembly and tool & die services. OPT has been providing customers with extensive spring design and engineering expertise, premium materials selection assistance and leading edge spring manufacturing capabilities for a decade. Below are the services offered by us to support customers.

Custom Spring En​gineering
Our colleague of mechanical engineers brings decades of experience and know-how to the table on every design. Using 3D modeling software, we can design a single component or complete assembly for you.

Assembly
Whether the product involves simply putting a spring into a housing or a more complicated assembly with a variety of components, OPT has the capability to get the job done. Depending on the quantity required, We can utilize secondary labor or fully automated equipment. Spot welding, sonic welding and riveting are just a few of the processes where we can provide expertise. Special packaging is an additional service available for a wide range of applications.