JBC Engineers JBC Engineers was established in the year 1985, in Kolkata, India , is a sole proprietorship organization of Mr. Akhtar Hossain, aim at producing a superior quality range of spares & attachment for testing machine. JBC is a trusted name as manufacturers & suppliers of many kinds of material testers spares and attachment. Our products are supplied to Blue Star India Pvt Ltd. These spares and attachment are manufactured using quality raw material, to ensure their compliance with global quality standards. It is available at the most reasonable prices. Also we have our service personnel at your doorstep immediately when needed.