Crown Seal Public Co., Ltd. engages in the manufacture and distribution of bottle caps. It operates through the Manufacture and Sale of Caps and Metal Sheets Printing Service segments. Its products include crown cap, maxi crown, maxi cap, maxi-P, pilfer-proof cap, plastic cap, composite cap, hand-crowner, and maxi crimping machine. The company was founded on April 26, 1968 and is headquartered in Pathumthani, Thailand.