Chittagong Dry Dock Limited (Formerly an enterprise of Bangladesh Steel & Engineering Corporation, currently operating under Bangladesh Navy) was created as a complementary facility to Chittagong Port Authority to cater regular and emergency repair needs of the national flag carrier vessels as well as vessels those touch Chittagong Port. The design and construction of the project was done with Yugoslav technical assistance and its commercial operation started in July 1985.

CDDL is the only dry dock in Bangladesh, located on the bank of river Karnaphuli on 48 acres of land within Chittagong Port Area. Its 183 meter grave dock can dock vessels up to 22,000 DWT. Besides, CDDL can perform a wide range of medium to heavy engineering works to support local industries including complete vessel renovation and conversion. This versatile dockyard has more than 40 years experience in the business.

On 23rd December 2015, CDDL was handed over to Bangladesh Navy (BN) and now being operated under the management of BN as state owned limited company. CDDL is now expanding its facilities by introducing 2nd dry dock and developing infrastructure for building naval and commercial vessels for both domestic and international market.