1. Long-term warranty of 2 years.

2. Provide timely reply and technical support 

    within 24 hours.

3. OEM is available for TOP Products.
4. Protect your sales area, ideas of design and all your private information.
Chongqing TOP Tester Co.,LTD belongs to Chongqing TOP Group which is located at Chongqing city--a southwest electromechanical manufacturing center as well as national municipality. We are a sci-tech enterprise and integrate development, design and manufacture. TOP owns Chongqing TOP Oil Purifier Co.,LTD and Chongqing TOP Tester Co.,LTD, with experienced engineers who are long engaged in analysis instrument development and analysis application. 
Products​​
  • Fully Automatic Karl Fischer Water Content Tester TP-2100
  • Digital Karl Fischer Water Content Tester TP-6A
  • Kinematic Viscosity Tester VST-2000
  • Kinematic Viscosity Tester TPV-8
  • Kinematic Viscosity Tester VST-3000
  • Fully Automatic Oil Acidity Tester (6 cups) ACD-3000I
  • Fully Automatic Surface/Interface Tension Tester IT-800
  • Automatic Surface/Interface Tension Tester IT-800P
  • Fully Automatic Open Cup Flash Point Tester TPO-3000
  • Fully Automatic Closed Cup Flash Point Tester TPC-3000
  • Digital Open Cup Flash Point Tester TPO-100
  • Digital Closed Cup Flash Point Tester TPC-100
  • Cloud Point & Pour Point Tester PT-2000
  • Multi-functional Vibration Tester VBT-2000
  • Automatic Potentiometric Titrator TP668
  • Petroleum Products Density Tester DST-3000
  • Petroleum Products Density Tester TP-109A
  • Karl Fischer Volumetric Water Content Titrator TPD
  • Distillation Range Tester DIL-201
  • Online Oil Quality Tester PTT-002