BITCO pen is a leading writing instrument company from Kolkata that is owned by R.K. Brothers. The company is a trader of plastic ball pens, direct fill ball pens, sketch pens, refills and many more items. The packaging is divided in three parts-5 pieces pouch, 20 pieces box and 50 pieces box. Refill ball pens are available in three different inks-blue, red and black. A team of experienced professionals works in its sales, marketing and manufacturing departments.