supply of supply of cast iron components consist of 2 items a)guide plates b)modified piston ringssupply of cast iron components consist of 2 items a)guide plates b)modified piston rings,supply of cast iron components consist of 2 items; item no.(1) guide plates (part finished) for cross head, drg no - goc/x/sk-12-05080 sh-2 of 2, qty: 8 nos/set. item no.(2) modified piston rings for piston head of adhesion & rack drive, drg no - goc/g/sk-3-11496 alt (2), item-1 & item-2 (sl. no. 2) st ep size-i, qty: 8 nos. note: 1. item (1) & (2) consists of one set. 2. for equivalent material specification refer goc/x/specx-032 3. for material specification, t he firm has to submit nabl accredited lab test certificate along with the material supply. [ warranty period: 30 months after the date of delivery ] ] => limited