447 Foster Avenue

From 1980 importing rough material from south africa and other african countries, we where involved in manufacturing of an electronic diamond tester "diatest" we invented and are at ...

10455 Olympic Dr

GemOro Powerful Ultrasonics and GemOro Superior Instruments, divisions of Sy Kessler Sales, Inc., produce the jewelry industrys leading ultrasonic cleaners, ultrasonic cleaning solutions, steam cleane...