there are more than 100 injection molding machines installed in italy, russia, poland and serbia and this is the result of the industrial cooperation between sigit and negri bossi, who signed a strategic development agreement for 20132014 at k 2013, the international exhibition in düsseldorf for plastic specialists. as partners for approximately 10 years, negri bossi &ndash company of sacmi and leader in design and production of thermoplastic injection molding machines &ndash and sigit, leader in molding thermoplastic articles for automotive and appliance industry, a