Calcutta Belt Centre (Bombay) We at CBC like being spot on with services and projects that require precision, capability and passion. And to make things more engaging, we have been at it since 1960. Rising from being a modest 7-member team during its inception to having multinational presence, CBC has witnessed and absorbed every bit of knowledge in heavy engineering services in the last 50 years. Our 50 years of expertise and experience span across various countries and respective challenges that now enable us to think beyond the usual realms of doing things.