1988 Dalian Petroleum Factory was established.
1989 Proposed the company slogan: EADING THE SCIENTIFIC & TECHNICAL TREND OF PETROLEUM INSTRUMENTS.
1990 Began to develop Automatic Gasoline Oxidation Stability Tester (InductionPeriod Method) which is the first automatic instrument of this kind in China.
1992 Began to develop Engine Oil Critical Temperature Tester and Apparent ViscosityTester, breaking the international monopolization.
1995 Dalian Rigo Instrument Co., Ltd. was established, and began to introduceforeign technology. The products reached the international advanced levelstage by stage.
1997 Hongkong came back to the motherland. Dalian Rigo Instrument Co., Ltd. providedall the oil products testers for the Army stationed there.
1998 Dalian Rigo Instrument Co., Ltd. was certified for ISO 9001 Quality ControlSystem.
1999 Provide oil products testers for China Petroleum & Nature Gas (group)Corporation for Sudan.
2000 Introduced the automatic viscosity testing technology.
2001 Won the bid in China Petroleum & Chemical (group) Corporation, and providedapproximately twenty kinds of instruments.
2002 Develop quick temperature-dropping technology (Patent No.: ZL 02210773.8) Developed the first environment protection type Hydrocarbon Tester (Patent No.: ZL 02280466.8) and Patent No.: 02353895.3).
2004 Dalian Petroleum Instrument Factory renamed as Dalian Petroleum Instrument Co., Ltd.Dalian Rigo Automation Co., Ltd. was established. Automatic Opening Flash PointTester, Automatic Closed Flash Point Tester, and Automatic Distillation Testerare manufactured.
2005 The Automatic Pour Point and Automatic Cold Filter Plugging Point Tester aremanufactured.Dalian Rigo Automation Co., Ltd. was re-certified for ISO 9001:2000 Quality Control System through T哣 CERT Certification Body of T哣 Anlagentechnik Gmbh.
2006 The Automatic Automated Kinematic Viscosity Tester (Straight Tube Type) was manufactured after years of development.
2007 Batch of automatic instruments exported to middle-east region.
2009 We presented Automatic Micro Freezing Point Tester and Automatic MicroSolidifying Point Tester of Diesel Oil Successfully.
2010 We actively explored the international market and have some dealers in different countries such as Saudi Arabia, UAE
2012-2015 Gradually introduced the second generation of automatic micro fast instruments and patented products.
2016 We supplied some new instruments with more perfect function such as Automatic Distillation Tester, Automatic RVP, Kinematic Viscosity Tester.