we supply: Dynamic Balancing - ISO Standart Tolerance Calculator - 2 Stage and 4 Stage - Dynamic & Static , Belt and Joint Drive - Computerised , Windows XP , Vista - Large Capacity to 5 Ton - Small Capacity 0, 3 kg to 5 kg email: yunghansurabaya@ gmail.com contact : 62 081 29070000 - 021 8340 3000