1. A: What about after sale service? B: 12months of electrical part and 24months of mechanical part after machine installed and running normally. 2.A: Is engineer available to serve oversea? B: Yes, the travel fee is paid by you. besides, customer should arrange the accommodation for them during the trip. 3: When did your factory start manufacturing liquid filling machine? A: Since Year 2012 we had started manufacturing Liquid Filling Line. We are focused on Pharmaceutical Field, Food field and Cosmetics Field. Our Clients includes Japanese,US S,Europe etc. 4: Does one liquid filling machine can work for all kinds viscosity of liquid or paste? A: Theoretically yes, by changing parts and filling pump we can achieve this. But normally this option is only recommended for our client who is doing R&D, but not production purpose. So we suggest client to use specific pump for specific material for achieving higher filling accuracy. 5: Why there are so many liquid filler looks same, but in huge difference on price? A: Because different manufacturers are using different method to manufacture the machine which will effect the filling accuracy and machine running life a lot. The same Oil material or cream material, A cheap manufacturer may use Pneumatic piston Pump for filling while a professional manufacturer is using Servo Stainless Steel Piston pump. 6: We have big filling range for our bottle, from 100-2000ml, can it work on the same machine? A: Yes, these filling range is absolutely ok for our either Linear type machine or rotary type machine, we can easily achieve. 7: How can we make sure about the machine quality after we put the order? A: Before delivery, we will run the machine to ensure that the machine is OK. And we will send you the pictures and videos for youto check the quality, and also you can arrange for quality checking by yourself or by your contacts in China.