About Sonak Engineering Pvt Ltd
We, M/S SONAK ENGINEERING PVT. LTD., are an ISO 9001-2008 certified SSI unit engaged in the field of manufacturing of precision machinery parts and locomotive components and fabrication of special purpose machines since 1991. Our organization started in 1991 by taking-over a sick unit and continuous efforts has led to where we are today! Customer satisfaction through quality and time bound delivery schedules is our main motive.

Our clientele includes Corporate Sector, Govt. & Semi-Govt. companies like Crompton Greaves Ltd., SIEMENS India Ltd., Bharat Heavy Electricals Ltd., Pam Pac Machines Pvt. Ltd., Reliance Industries Ltd., Walchandnagar Ind. Ltd., Kirloskar Electric Co. Ltd., L & T, Chittaranjan Locomotive Works, Diesel Modernization Works/Patiala, Zonal Railways, Railway Production Sheds, Bharat Earth Movers Ltd., etc.

Since past 22 years, we have been mainly involved in the manufacturing and machining of Traction Motor Magnet Frames, Suspension Tubes, End Shields and Assembly components which are used in Railway Locomotives. We have manufactured and supplied more than 2500nos various types of Magnet Frames like Hitachi, TM4303, C-1005, C-1001, TM 7362, TM 5002, 6FRA-6068, 6FXA-6069, etc and Suspension Tubes for Fuji C-1005, TM 7362, TM 4907, etc. We also have a major share in supplying Suspension Tubes for TM3701 for Kolkata Metro project. We have also been undertaking mechanical re-habilitation of magnet frames for traction motors of various types like TAO, TM-4907, TM-165, DMKT, etc.

We also manufacture and supply Current Transformer Steel Tanks and its assembly components. These products are completely fabricated, machined and Helium Leak tested at our works. We are also manufacturers of Structures for Blister packing and Cartoning machines which are mainly used in packing industry.

We have installed High-End Precision Horizontal Machining Centers of leading brands like Mazak and Juaristi. We have also installed a Sheffield make Co-ordinate Measuring Machine (CMM) with measuring range of 1250mm x 2000mm x 1000mm having volumetric accuracy of 12microns with Renishaw Auto-indexing probe. We have 'TRIMOS' measuring unit equitable to move in 2 axis and providing accuracy within 10 microns.

With a view to cope up with technological advancement and to cater to the on-going requirement of our customers, steps are being taken for modernization of the facilities with state-of-art technology to meet the challenges and expectations. This has resulted into:
Implementation of ISO to ensure that there is ease in material movement, proper planning of customer delivery schedules, systematic records are maintained, catering to customer complaints and to facilitate ease in functioning and co-ordination.
Improvement in material handling and storage facilities.
Increase in productivity by automation, quality improvement and managing operations.
Low level rejections.
Better performance of products.
Value addition is terms of service quality.
Ethical and Transparent Business practice
Customized solution
Devolved quality control checks
We are committed to Produce, Deliver and Maintain consistent quality products and timely delivery through continual improvement in effectiveness of Quality Management System and process to achieve total customer satisfaction.