安全剎車器-釋放手柄(電動代步車|電動輪椅車專用系列):
ALY0S2AA/ALY0S3AA/ALY0S4AA/ALY0S4MB/ALY0S4MA/ALY001MA/ALY1S2AA

安全制器：SMB0S2AA/SMB0S4AA/SMB0S8AA/SMB1S6AA/SMB003AA/SMB005AA/SMB010AA/

SMB020AA/ALS0S2AP/ALS0S2AW/ALS0S4AA/ALY0S2AA/ALY0S3AF/ALY0S4AA/ALY0S4MB/

ALY0S4MA,AYL001MA/ALY1S2AB/ALS1S6AA/ALY0S3AA/BLY0S3BB/ALY0S3EB

安全剎車器/制動器-機械用：SMB0S2AA/SMB0S4AA/SMB0S8AA/SMB1S6AA/SMB003AA/SMB005AA/SMB010AA/

SMB020AA/SMB0S8AB

1984年 成立慶豐工業社，資料額 30萬元，設廠於臺中市復興路二段398號198號，

             員工 1人從事產品開發，廠房