ISO14001

ISO 45001

IOS 9001

AAA-level contract-abiding and trustworthy enterprise

AAA-level quality service integrity unit

AAA-level Integrity Management Demonstration Unit

AAA grade integrity supplier

AAA credit enterprise

AAA credit enterprise

A heat transfer oil production agitator with anti-adhesion function

A safe storage container for unfinished petroleum products

A heated blending barrel for unfinished petroleum products

A heated blending barrel for unfinished petroleum products

A high-efficiency stirring device for processing unfinished petroleum products

A fractionation device in the production process of non-finished oil petroleum products

A high-pressure heat-conducting oil distillation kettle

A vertical movable engine heat transfer oil production and processing device

An online carbon residue measuring instrument for heat transfer oil

A dehydration device in the production process of thermal oil

An online acid value measuring instrument for heat transfer oil

A storage container for the production of non-finished oil products that is easy to control the outp