supply of rhf and quench elevater. (2 items).rhf and quench elevater. (2 items).,rotary hearth dipper plate (outer) item no. 4 - 1 set consisting k & h -20 nos each drg. 75 4210110010 1) warranty: the material shall have a warranty of 12 months from the date of supply. 2) mat erial test certificate (mtc) from nabl accredited laboratories for chemical composition, physical properties should be submitted along the material supply. [ warranty period: 12 months after the date of delivery ] ] , quench elevator pins & bushes as per rwf drg no: 704090410270 [ warranty perio d: 12 months after the date of delivery ] ] => limited