Moldings made with a polyester resin which comprises a cyclic compound represented by a following formula A1-B-A2 (in the formula, A1 and A2 are the same or different and show groups represented by a below-described formula, ##STR00001## P shows a benzene ring which may be replaced by a material, and B shows a bivalent hydrocarbon group which may be replaced by a material) and polyester capable of having a crystal structure.