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1. We are ISO quality and environment management system certified.

2. Samples from 8 positions of every batch are taken for test.

3. All the data would be compared with the quality you confirmed at the beginning.

4. Samples of every batch shipped to you would be reserved in our laboratory for 2 years.
Measures below are taken to keep quality consistency.
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COPYRIGHT © 2018 Forstron Diamond All rights reserved.
Forstron Diamond Co.,Ltd
Tel:  +86 170 9139 8153
Email: admin@forstrondia.com
Web：www.forstrondia.com
Sales Office.：No.377, Nanqiao Rd, Fengxian District, Shanghai. P.O. 201499.
Factory.：No. 45 Longgang Road, Xingyang City, Zhengzhou City, 450199， Henan Province， China.