Sindhu Ultramarine Chemicals Pvt.Ltd.: We are India based one of the leading manufacturer and exporter of wide range of cleaning, marking and toiletry products such as ultramarine blue, straight line chalk powder and various household cleaners, having well equipped state of the art manufacturing plant lying in 10000 sq.mt area with round the clock production capacity to fulfill requirements of our valued customers with shortest delivery time. Our products: 1] Ultramarine blue (laundry grades)Available in : 25 & 50 kgs bulk pack, ...