Yichang Marine Engines

Yichang is a marine engine manufacturer based in the People's Republic of China. Their engines are currently in service on 436 vessels across 58 different models. Bulk carriers represent the largest segment of vessels utilizing Yichang engines, with 263 ships, followed by oil and chemical tankers (78) and general cargo ships (45). Geographically, the highest concentrations of vessels with Yichang engines are found in South Asia (55), South East Asia (China, Vietnam) (51), and the South America East Coast (35). Common engine models include the Yichang - 5S50ME-B9, found on 54 vessels, and the Yichang - 6 S 46 MC-C, present on 48 vessels.

Reference: Wikipedia