Gemsons Precision Engineering (P) Limited

Gemsons Precision Engineering (P) Limited

Vasai East, Vasai, Thane, Maharashtra
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Established in the year 1964, we at  “Gemsons Precision Engineering (P) Ltd.”, are manufacturers, suppliers, traders,  importers and exporters engaged in offering a wide range of Precision CNC Machined Components and Assemblies. The range offered by us includes CNC 5 Axis Machined Components, Turnmill Parts, CNC Milled Components, CNC Machined Components, Precision Turned Components & many more . We also have expertise in precision TIG welding, coatings and assemblies with testing facilities. These products are manufactured using high quality raw material, which are sourced from reliable and approved Mills and Suppliers. Our products are compliant with National and International Standards including PED, Military Specifications for coatings, Raw Materials in ASTM, SAE, DIN, JIS, Norsok and Nace standards. The products offered by us are of the highest quality and surface finish with consistent quality which in turn gives a better life and higher performance and strength. We offer these products in various specifications to meet the diverse requirements of our clients. Our offered products are used in Instrumentation, Valve & Regulator, Radar, Sensors & Motion, Turbo machinery, High Voltage, Fire and Safety, Water Solutions, Textile machinery, Manifolds & Fittings. We use Lean concepts in all our production activity thereby improving leadtime and reducing waste and Inventory cost.

We have also established ourselves as a job shop for subcontract machining and give our customers complete solutions from developing Castings , Forgings to complete manufacturing on complex assemblies. Our parent company, Thompson Ralph Engineering Company [Toolroom] was established in the year 1964 by Mr. Thomas Pereira. He was a mechanical and electrical engineer, who was a gold medalist from the prestigious Victoria Jubilee Technical Institute, Mumbai. Today, our organization is managed by three brothers. We have more than 27 years of CNC machining experience.  Apart from this, we have a team of professional production and mechanical engineers, who hold multi disciplinary skills. This helps us in offering CAD-CAM software solutions to our clients. Owing to all these factors, we have been able to serve many reputed clients across the globe. Currently  we are exporting around 80% of our total production to countries like US, Canada, Brazil, Mexico, UK, Germany, France , Italy, Luxembourg, Sweden, Norway, China, Malaysia and Singapore. Some of our reputed clients are Emerson, GE, Husky, Danaher Motion, Fisher, Dover Group, Saab and Siemens. Apart from this, we have gained many awards like Indian Achievers Award for Industrial Development, Hannover Messe Best Supplier Award, Asia Pacific International Award and Emerson Award for Best Supplier.

Under the able guidance of our Director, 'Mr. Savio Pereira', we have been able to maintain a strong position in the market. Our rich experience and vast knowledge in the export sector have enabled us to serve our clients in the best possible manner.

Company Factsheet

Basic Information

Nature of Business
Exporter and Manufacturer
Additional Business
  • Exporter
  • Importer
  • Distributor
Company CEO
Johnson Pereira
Key Customers
  • Emerson
  • Fisher
  • Danaher Motion
  • Dover Group
  • Husky
Registered Address
Plot No. 9, Dewan Shah Udyog Nagar, Waliv Phata Vasai East, Mumbai- 400063, Maharashtra, India
Manufacturing, Trading, Importer and Exporter of Precision CNC Components.
Total Number of Employees
101 to 500 People
Year of Establishment
Legal Status of Firm
Limited Company (Ltd./Pvt.Ltd.)
Mr. Savio Pereira
Annual Turnover
Rs. 50 - 100 Crore
Trade & Market
Export Percentage
Location Type
Building Infrastructure
Size of Premises
85,000 square feet
Space Around
Front porch
Team and Staff
No. of Research / QC Staff
6 - 25 People
No. of Engineers and Technicians
46 - 65 People
No. of Skilled Staff
Above 100 People
No. of Semi-skilled Staff
26 - 45 People
Company USP
Primary Competitive Advantage
  • Experienced R & D Department
  • Good Financial Position & TQM
  • Large Production Capacity
  • Provide Customized Solutions
Quality Measures / Testing Facilities
Statutory Profile
Import Export Code (IEC)
Tan No.
Packaging/Payment and Shipment Details
Customized Packaging
Payment Mode
  • Cash
  • Cheque
  • DD
  • LC
Shipment Mode
  • By Cargo
  • By Road
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About The Company

Gemsons Precision Engineering (P) Ltd. has developed more than 9000 different Components, for various industries, some of which are very critical in nature. We have been maintaining high tolerances in regular production, along with parameters like surface finish, roundness & cylindricity. We have successfully developed complete critical assemblies in production thereby providing our customers complete import substitution for critical components and sub-systems, some of which were earlier imported from Dupont-USA, Toray-Japan and Barmag-Germany. We are the first CNC shop in Mumbai to provide complete solution from CNC Turnmills to 5 Axis and 4 Axis Machining Center, thereby enabling us to do the most difficult of parts, including Turbine Blades, Impellers, Screw Shaft & Drum Cams.

At Gemsons, we machine a variety of materials right from Inconel, Hastelloy, Monel, Nimonic, Stainless Steel, High Alloy Steel, Forgings, S.S. Investment Castings, Spheroidal Graphite Castings, Brass, Aluminum to low Carbon Steels. We also specialize in Hard Part Turning, which very few of our competitors dare to undertake in India.

Gemsons is the only CNC Shop in Mumbai having facilities to Design & Manufacture our own fixtures for Machining Center & CNC Lathe. Our machines are connected by DNC, thereby enabling us to upload or download programs. Our CNC shop is equipped with CNC Gun Drilling Machine with the capacity of Diameter 5-40mm to a length of 1000mm.

We also have an automatic setup for Precision TIG Welding & have developed critical Press Tool Components.

We offer:

  • Custom Made Parts
  • CNC Machining 5 Axis and 4 Axis
  • Hard Part Turning
  • Surface Modeling
  • Quick Prototyping
  • Tool Room facility
  • Special Toolings/ Fixtures
  • In-house Fitting & Assembly
  • PMI, Ultrasonic Testing & CMM Inspection
  • Gun Drilling
  • EDM Wirecut
  • TIG Welding
  • Hi-Speed Machining Fanuc Robodrill Machines
  • Laser Marking

Specialists in:

  • Stainless Steel Machining
  • Hard Part Turning : HRC 60
  • Machining of Pressure Die-Cast Components
  • Manufacture of Precision Machined Parts
  • Non-Ferrous Forgings
  • Ultra Precision Turning within 3 Microns
  • Turn-mill Facility
  • 5-Axis Machining
  • Manifolds and Fittings
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Awards And Achievements

  1. Indian Achievers Award for Industrial Development

  2. Hannover Messe Best Supplier Award

  3. Asia Pacific International Award

  4. Emerson Award – Best Supplier

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Awards And Achievements

Quality Standards

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Quality Standards

Our Team

We have appointed a team of trained and experienced professionals, which helps us in offering a quality assured range of Precision CNC Components. Our team of quality controllers checks the entire range on various parameters. So, as to ensure their adherence with international standards and norms. Moreover, we have a team procuring agents, which helps in procuring only quality tested range of machines from the vendors. In order to enhance the performance skills of our team members, we organize various training sessions and workshops on a regular basis.

We have the following members in our team:


  • Procuring personnel
  • Engineers
  • Quality controllers
  • Warehousing and packaging experts
  • Sales and marketing professionals
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Quality Compliance

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Quality Compliance

Vendor Base

Our organization is associated with the certified and reliable vendors of the market, who help in offering a quality assured range of raw materials, coatings and Heat Treatment processes. These vendors process the components as per the international standards and norms using high-grade raw material and sophisticated production technology. Moreover, they make sure to check the entire range on various parameters. so, as to ensure their reliable performance and longer functional life. Raw materials are also imported based on stringent national and international standards.


Our team of procuring agents selects these vendors on the basis of following parameters:


  • Quality assured products
  • Cost effective rates
  • Timely delivery
  • Past track records
  • Market credibility
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Our Clientele

We have paid the utmost attention on attaining the complete satisfaction of our clients. For this, we make sure to offer a quality assured range of product to the clients as per their requirements. Apart from this, we offer our range in various specifications to serve our clients in the best possible manner. Our ethical business practices, transparency in dealings and timely delivery, we have been able to attain the complete satisfaction of our clients. Currently, we are exporting 80% of our total production to the countries like US, Europe, UK, East Asia, North Europe, Singapore, Malaysia, China and North America.


Some of our reputed clients are as follow:


  • Emerson
  • GE
  • Husky
  • Danaher Motion
  • Fisher
  • Dover Group
  • Saab
  • Siemens
For more Information:Contact Us

SME Chamber of India

Trade Membership Certificate
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SME Chamber of India

EEPC India

Membership Certificate
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EEPC India

Certificate For Indian Achiever For Industrial Development

Certificate For Indian Achiever For Industrial Development
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Certificate For Indian Achiever For Industrial Development

Brands We Deal In

  • Amada
  • Miyano
  • Makino
  • Mitutoyo
  • Gizmo
  • Fanuc
  • PMI
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ISO Certification

Issue Date: 06/11/2015

Validity Date: 14/09/2018
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ISO Certification

Reach Us
Pravin Khedekar (Senior Marketing Engineer.)
Gemsons Precision Engineering (P) Limited
Plot No. 9, Dewan Shah Udyog Nagar, Waliv Phata
Vasai East, Vasai - 401208, Thane, Maharashtra, India
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