I saw your product on alibaba site and my company is intrested with your product and you please send us your catelog and payment term for our refference. Product Description: Displacement(CC): 36 Vaccum Volume L Rotate Speed R/ Min Vaccum Degree Kpa Exhaust Time S Oil Pressure Kpa(Oil Temperaute 75± 5º ) Vaccum Degree drop value Kpa 17 1000 73 ≤ 60 200- 500 5000 73 ≤ 18 200- 500 0 73 pump stop time 15S 0 ≤ 1. 5Kpa Displacement(CC): 36 Vaccum Volume L Rotate Speed R/ Min Vaccum Degree Kpa Exhaust Time S Oil Pressure Kpa(Oil Temperaute 75± 5º ) Vaccum Degree drop value Kpa 17 1000 73 ≤ 60 441.3 5000 73 ≤18 441.3 0 73 pump stop time 15S 0 ≤ 1.5Kpa Displacement(CC): 36 Vaccum Volume(L) Rotate Speed (r/min) Vaccum Degree (Kpa) Exhaust Time(S) Oil Pressure Kpa(Oil Temperaute 75± 5º ) Vaccum Degree drop value Kpa 10 1000 66.7 ≤30 441.3 5000 66.7 ≤10 441.3 0 53.3 pump stop time 15S 0 ≤2.7Kpa