bids are invited for couplings --supply of coupling of premixer agitator shaft (lower half) as per drg.no. 410-vm-o4, part no. 3 m.o.c- is 1030 gr 2 note: 1. coupling should be dynamically balanced as per latest iso standard and furnish the balancing certificate along with supply. 2. vendor shall submit all the material test certificates from nabl accredited lab. supply of pre-mixer g/b coupling (upper half), as per drg.no. 410-vm-04, part no. 4 m.o.c- is 1030 gr 2 note: 1.coupl ing should be dynamically balanced as per latest iso standard and furnish the balancing certificate along with supply. 2. vendor shall submit all the material test certificates from nabl accredited lab supply of digestor agitator shaft coupling (lower half) as per drg.no. 410-m-156, part no.4 m.o.c- is:1030 gr 2 note: 1.coupl ing should be dynamically balanced as per latest iso standard and furnish the balancing certificate along with supply by the vendor itself. 2. vendor shall submit all the material test certificates from nabl accredited lab. supply of digestor g/b coupling (upper half) , as per drg.no. 410-m-156, part no. 5 m.o.c- is 1030 gr 2 note: 1. coupling should be dynamically balanced as per latest iso standard and furnish the balancing certificate along with supply. 2. vendor shall submit all the material test certificates from nabl accredited lab total quantity : 14