Crown Metals Pvt. Ltd. Offers Aluminium Cans with Bottom Stud. Crown Metals Pvt. Ltd. Is an ISO 9002 awarded company. The Aluminium Cans with Bottom Stud is available in various diameters like M-8, M-10, M-12. The company also manufactures Capacitor. It is also used for Power Capacitors, Modular construction Design.