4 Square Weld Techniqes is a renowned manufacturing company based in Chennai, South India,
specializing in the production of high-quality fabricated components and
Special Purpose Machines (SPMs) for a wide range of industrial applications.
With a strong commitment to quality, precision, and innovation, we manufacture a
diverse range of products that comply with national and international standards.
Our expertise in SPM manufacturing, fabrication, and engineering solutions
enables us to meet the unique requirements of our customers with customized and reliable solutions.
With a strong commitment to quality, precision, and innovation, we manufacture a diverse range of
products that comply with national and international standards. Our expertise in SPM manufacturing,
fabrication, and engineering solutions enables us to meet the unique requirements of our
customers with customized and reliable solutions.
We cater to numerous leading national and multinational companies, supplying fabricated components for
both light and heavy engineering industries. Our advanced manufacturing capabilities, skilled workforce, and
customer-focused approach have made us a trusted partner across various industrial sectors.
At 4 Square Weld Techniqes, we are committed to delivering superior quality, on-time execution, and
complete customer satisfaction through continuous improvement and engineering excellence.
Mr G. Sivashanmugam – Operations Head
Sivashanmugam is a highly accomplished operations leader with an extensive 29-year career in mechanical engineering, specializing in the design,
fabrication, supply, and installation of custom-built machines for automatic welding and cutting applications. His journey reflects deep technical
mastery combined with strong leadership in operations, customer support, and project execution.

Track Record of Excellence
Delivered robotic welding and cutting systems to leading companies in India’s Pre-Engineered Building (PEB) sector, including custom-made PEB beam lines, heavy-duty H-beam welding lines, and plasma cutting machines.
Supplied specialized welding systems for diverse applications such as:
Wheels, hydraulic cylinders, AC/air compressors, LPG cylinders
Shock absorbers, brake shoe welding, pipe-to-pipe & pipe-to-fitting welding
Industrial valves welding & cladding, wear plate welding systems
Motor stamping welding, pump motor stator welding, and more
Mr G. Velu – Supply Chain Manager
Velu is an accomplished professional with nearly two decades of experience in vendor development, purchase, quality assurance, and
supply chain management across leading engineering and automation companies. His career reflects a steady progression from junior engineering
roles to managerial leadership, marked by expertise in supplier relations, procurement strategies, and operational efficiency.

Core Strengths
⬤ Vendor identification, evaluation, and long-term relationship management
⬤ Procurement planning and cost negotiation
⬤ Quality assurance and supplier compliance
⬤ Cross-functional collaboration between engineering, sales, and operations
⬤ Leadership in vendor development teams and supply chain optimization Professional Identity
Mr S. Yogeswaran – Manufacturing Head
Mr. Yogeswaran is a seasoned manufacturing professional with over a decade of experience in production planning, quality control, and
cost management across diverse engineering and machinery sectors. His career reflects a steady rise from technical assistant roles to
leadership in production planning and control, culminating in his current identity as a Manufacturing Head known for operational
discipline and strategic foresight.

Core Expertise
⬤ Production Planning: Skilled in preparing detailed schedules and BOM lists to streamline manufacturing
⬤ Quality Control: Implements stringent quality measures and auditing processes to ensure superior product delivery
⬤ Cost Management: Experienced in cost reduction strategies, pricing management, and handling high-value materials
⬤ Technical Proficiency: Strong command of Auto CAD, MS Office tools, and welding techniques
⬤ Leadership Skills: Effective communicator with proven decision-making abilities and time management expertise.








