About Us

‘Hasmukhlal& Brothers’, established in 1985 has successful years of business having BonnaFlex as an engineering product line which includes Industrial and Automotive Power Transmission Accessories for OEs, Replacement Markets. 

We are an ISO 9001: 2000 Certified Company, engaged in Manufacturing of all types of Mechanical Power Transmission equipment with the Product Brand "Bonnaflex" 

Bonnaflex emphasis on quality and customer satisfaction which has earned respect and endorsement from major OEMs. We closely follow customer needs and help them by providing the right technological solution.

The company is a pioneer and has been a market leader having a dealer network in Entire County.

We are also exporting our products to Gulf countries, Europe& African nations.

Why to Select Bonna-Flex 

  • In Today’s Competitive Market Productivity, Quality Assurance and Service are Key Points for Customers. 
  • We have Experienced and Professional Team to Achieve these Targets with Economical Cost on time. 
  • Industry Standard Replaceable Quality Parts
  • Product Development within Stipulated Timelines
  • Highly Skilled and Experienced Technicians/Engineers Team
  • Sufficient Inventory to Meet Customer Requirements
  • Country Wide Distributor Network
  • We have made an Indelible Mark as Manufacturer, Supplier and Service Provider of Quality Products of all Our Range   
  • In-House Phosphating Process To Improve Corrosion Resistance


Foundry Division

  • We Have Our Sister Unit For Cast Iron Parts Which Ensures Better Quality Products Each Time.
  • Pattern Making Is Very Important Process To Any Product Development. We Have That Facility To Control Pattern Making In-House to Ensure The Lead Time For Each Product.
  • Products are Manufactured with Special Grade Cast Iron to Achieve Best Performance and Longevity of Application.

Machine Shop Division

  • We Have Adequate Range Of Machines/Equipment and Capability to Develop New Parts in Widespread Part Families Within Stipulated Timeline.
  • Combination Of Conventional and Modern Machines like CNC machines To Utilize Maximum Manpower Is Our Key Point to Reach Demand All Over Distributor Network.
  • Our Designers Use Modern Software For Drafting Of Patterns, Tooling, Fixtures, Parts, etc.
  • Continuous Improvement In Each And Every Product For Better Operational Functions.


‘Bonna-Flex’ Is An ISO 9001:2000 Certified Company That Believes In Quality Products To Its Valuable Customers.
Quality is one of prime concern at our manufacturing unit. In order to provide the best products to the clients, we conduct stringent quality tests and checks on all our products.
Quality control process at our manufacturing unit starts right from procurement of raw material through final delivery into the market. Our quality control executives take extreme care of the production process following each process of production like manufacturing, assembling, testing & packing.