Pharmatech Engineers Pvt. Ltd. Offers Powder Mass Mixer. Pharmatech Engineers Pvt. Ltd or Sehgal Industrial Works manufactures Pharmaceutical & Chemical Equipments. The Powder Mass Mixer is used to mix wet materials and has limit switches for mechanical or motorized tilting of vessels. This is also offered with ribbon blenders. This Powder Mass Mixer has the capacity range from 25 kg to 1 ton.