On January 6, 2018, it collided with a cargo ship, CF Crystal in the East China Sea and caught fire with 32 deaths or missing and 130,000 tons of condensate spilled.

Sanchi was powered by an 18,660-kilowatt (25,020 bhp) MAN-B&W 6S70MC-C slow-speed diesel engine driving a fixed-pitch propeller and giving the tanker a service speed of 15.4 knots (28.5 km/h; 17.7 mph).

[1][3] The ship was built in 2008 by Hyundai Samho Heavy Industries at Yeongam, South Korea, for the National Iranian Tanker Company.

[3][4] On January 6, 2018, Sanchi collided with the cargo ship CF Crystal and caught fire.

It was carrying natural-gas condensate (136,000 tonnes (960,000 barrels)) for South Korean petrochemical company Hanwha Total.