CSSC Dalian Shipbuilding Industrial Development Co., Ltd., locally also known as Dalian Shipbuilding Industry Co., Ltd. (DSIC), is a Chinese shipbuilding enterprise with a heritage that traces back to 1898 when shipyard construction began on the Dalian coastline. Operating today as part of China State Shipbuilding Corporation, DSIC builds and repairs merchant tonnage, naval vessels, and offshore engineering assets at facilities on the Liaoning coast, with main yards at Dalian city centre and at Changxing Island in the Dalian Development Zone. Shipbuilding capability covers very large crude carriers, container ships, bulk carriers, LNG and LPG carriers, ro-ro vessels, offshore platforms, and naval surface and submarine programmes. Ship repair, conversion, and life-extension services delivered through the Changxingdao and Dalian yards cover major merchant vessel types, with capability for hatch cover ultrasonic tightness testing, hull ultrasonic thickness gauging, watertight integrity verification, non-destructive testing of structural and machinery components, and underwater inspection on hulls and submerged fittings. The current orderbook covers around 257 vessels under construction or scheduled. CSSC Dalian Shipbuilding Industrial Development Co., Ltd. operates to classification rules of the China Classification Society and major international societies including the American Bureau of Shipping, Bureau Veritas, DNV, Lloyd's Register, the Korean Register of Shipping, ClassNK, and RINA, supporting international fleets that need a single Chinese partner for newbuilding and repair. The Dalian and Changxing Island locations provide access to North Asian sea routes and to the principal ports of Northeast Asia, Japan, and Korea.