RSW Intro

RSW is a leader in the manufacturing of IHT Wires in India with a customer base across the automotive sector and other industrial applications. The specialised process with online SCADA controls with robust online inspection of wire for surface abnormalities can excel the customer demands of modern designs requiring high-stress springs to meet the ever growing demand of improved ride handling. Read Less Read more

About Us

Ramesh SunWire Private Limited (RSW) was established in the year 2016 as a joint venture company between Stumpp Schuele and Somappa Springs Pvt. Ltd. and Sunflag Iron & Steel Co. Ltd. to manufacture and supply high-quality IHT Wires in India.

Today, RSW is India’s leading manufacturer and supplier of automotive-grade suspension spring wires with its manufacturing facility located at Bhandara, Maharashtra.

Stumpp Schuele & Somappa Springs Pvt. Ltd. and Sunflag Iron & Steel Co. Ltd. together bring the legacy of over 50 years of excellence from the respective areas of spring manufacturing and steelmaking. This has enabled RSW with better knowledge of steel as a raw material for wire and wire as a raw material for springs. This also helps RSW understand the technicalities better and accordingly optimize its process for the best solutions for the customer.

The DSIR approved R&D facility at Stumpp Schuele & Somappa Pvt. Ltd. has a wide range of equipment to study and support designs to any automotive requirement. The laboratory at Sunflag Iron & Steel company with its state-of-the-art facility strengthens the future developments on steel.

Thanks to this legacy of excellence and these its state-of-the-art facilities, RSW has successfully made a backward integration to supply spring steel wire to its parent companies which are established players in spring grade steel and automotive spring manufacturing segment.


Years of experience

Coupled wiht that the DSIR approved R&D facility at Stumpp Schuele & Somappa Pvt. Ltd. has a wide range of equipment to study and support designs to any automotive requirement. The laboratory at Sunflag Iron & Steel company wiht its state-of-the-art facilities strengthen the future developments on steel.

October 2016

Incorporation of RSW

April 2019

Commision of plant and installation of machinery.

July 2019

Starting standard operating procedure of RSW

August 2018

Construction of manufacturing facility completed.

May 2019

Successful completion of machine trial and Inauguration of RSW plant

January 2020 & beyond

90% capacity utilisation achieved at the RSW plant

Satish Machani

Director and Co Promoter

Pranav Bhardwaj

Director and Co Promoter

Vishal Baviskar

Plant Head

Our Management

Driven by a legacy of excellence, RSW is fully committed to ensuring excellent corporate governance by applying best management practices and complying with statutory and legal requirements.

The management of the company focuses on ensuring fair business decisions, prudent financial management and high standards of ethics throughout the organization, including safety, health and environment management.

Fair business decisions

Prudent financial management

High standard of ethics with safety
and health issues

With improvements in productivity, quality and energy conservation, RSW
maintains its competitive position in the industry and create value to all
stakeholders and customers.

Our Vision

To be a globally renowned and supplier of choice for spring steel wires by delivering premium products and services to customers.

Our Mission

Developing leading-edge solutions in technology, process and products. Sustainable growth and return on investment by continuous improvements of human resources, technology and environment. Customer satisfaction

Our Facility

Our state-of-the-art manufacturing plant located at Bhandara, Maharashtra,
has an installed capacity of producing 12,000 MTPA of IHT Wires, ably supported by
two advanced Continuous Casting Process Lines, each of 600 MTPA capacity.

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Process and Technology

The IHT Wires manufactured by RSW is used for the manufacture of high quality springs in the cold coiling process.

The wire is manufactured in continuous process lines equipped with high frequency Induction Hardening & Tempering Heat Treatment technology. Read Less Read more

The entire production process chain is equipped with state of art technology using a computerized process control and monitoring system which ensures consistency in the quality of wire. Read Less Read more

The In-house Wire drawing line includes Shot Blasting and Eddy Current Testing to improve the wire drawing quality.

The facility has an advanced packaging line for IHT wires. The wire coils are oiled and wrapped in hessian cloth and polythene for maximum safety during logistics. Read Less Read more

We have an In-house Metallurgical Laboratory equipped with metallurgical microscopes with image analyzer software for material characterization and a universal testing machine and hardness testers for mechanical properties confirmations. Read Less Read more

Our Products

RSW’s IHT Wires are used in manufacturing suspension springs for the automotive industry as well as springs for other industrial applications.

We provide quality products
that brings your value

From procuring raw materials upstream to rolling out the finished wires from the plant, RSW is fully committed to ensuring Quality throughout the process.

Automotive-grade spring steel is sourced from Indian steel mills which are approved by the automotive OEMs (four-wheeler and two-wheeler companies).

Quality effectiveness of spring steel wires produced is ensured with state of art technology and computerized process control and monitored operating parameters.

ISO certified for quality management

Indigenous capabilities for import
substitute of IHT wires

12000 MTPA Capacity

Two completely automated
manufacturing lines

Online defect testing system for the wires with the best equipment available in the world.

Wires are 100% Eddy current tested online

Wide range of final wire drawing capacity from 6 mm to 14.5 mm.

Manufacturing of completely import-substitute indigenously developed IHT Wires for India as well as the global customers.

Our Strengths

State-of-theart manufacturing facility equipped with world’s best Continuous Processiing Lines for IHT Wires.

RSW’s IHT Wires can be used as an import substitute product in India

RSW is the first company to manufacture IHT Wires as completely Made in India product.

RSW is the first to have created and submitted the standard for IHT Wires to the technical committee of the Bureau of Indian Standards.

Our Group Companies


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