The world's largest design, production and testing base for rockets is being built in Tianjin municipality, Liang Xiaohong, Party chief of the China Academy of Launch Vehicle Technology, said on Thursday.

The first phase of the rocket industrial base in Tianjin's Binhai New Area will be completed within the year. Rocket parts will be designed, manufactured, assembled and tested at the base, Liang said.

Twenty of the 22 plants have been completed and some of them are ready for operation, Liang added.