Dhirajlal & co. Is the manufacturer and exporter of a wide spectrum of products such as cement colors, pigments, chemicals, building hardware, and many more which are used in construction applications. Dhirajlal & co. Endows with a wide variety of processed minerals that comes in vivid colors and variety of shades. These are often mixed with the cement to render a particular color to the walls and interiors. Being a part of that carbon black are used in many forms. Carbon has many varieties and all its forms have different features and character sticks. It is mainly used in the manufacture of glass.