Is the 750 blood glucose meter made by the manufacturer Fishy?

Yes. According to the query Pharmaceutical Intelligence data shows that 750 blood glucose meter is produced by Jiangsu Yuyue Medical Equipment Co. The blood glucose meter consists of a host computer, blood collection pen, power adapter (optional), and Yuyue blood glucose test strips, used in hospitals and homes to detect glucose concentration in capillary whole blood or venous whole blood.