Hindustan Petroleum Corporation [HPCL] — technical specification

Sub: We are manufacturing Elevator Traction Machine. At present we are using your ENKLO 320 oil. We share herewith technical details of material used in our Gearbox of Elevator Traction Machine. We want to know if there is any chemical reaction of our material with ENKLO 320 oil.
(1) Please inform us maximum operating temperature of oil without any chemical reaction.
(2) What is the viscosity, Kinematic, cSt. (@100°C) ?
(3) What is the working hour life of ENKLO 320 in operation?
(4) Please clarify technical difference between
(A) ENKLO 320
(B) HE Energy efficient Gear Oils – PARTHAN 320 EE
(C) Industrial Gearbox oil PARTHAN 320 EP
(5) Please give us price of all above 3 oils in 200 liters capacity container.