Production Process & Quality Control

1. Production Process 

Diamond selection→ Casing→ Laser drilling→ Polishing→ Sizing→ Ultrasonic cleaning→ Quality inspection →Marking→ Finished

2. QUALITY GUARANTEE

1). On improving products quality, we focus on the qualityof products. We enact quite strict quality managementsystem and product inspection system.

2). Strictly controls the quality of raw materials

3).Strictly implements the process parameters of each processsiricily implemenis the inspection processand carries outorderly management and control according to the inspectionspecifications and customfr rfquirements， so as to ensurethat the product delivery quality meets customer needs.

SGS test report-ND (English version).pdf

SGS test report-PCD (English version).pdf

Changzhou Shen Litong Mould CO.,LTD CNAS-QMS Certificate in English.pdf