1997 year |
 1 st VRLA production line startup |
|
Pass ISO9002 certification |
|
Pass UL certification |
1999 year |
24 tons capacity SOVEMA ball mill installation complete and its oxide had been |
2000 year |
2nd line conversion from SLI to VRLA |
|
WWT and DI water station project complete |
|
Substation phase one, project done 2000KVA capacity had been expanded |
2001 year |
3RD VRLA production line started |
