Sunbeam Pulverizers SUNBEAM is one of the oldest manufacturer of Mineral Grinding & Processing Machinery in India. The journey was started in 1900 when Engineer Late P.C. Datta established a C.I. Foundry for manufacturing Disintegrator, Wheat Grinder, etc. in the name & style of DUTTSON TECHNICAL in Munger. In 1969 the name of the firm was changed to SUNBEAM ENGINEERING WORKS and started manufacturing M.S. Fabricated type Pulverisers & other Mineral Grinding machinery.