Strick quality test control system. We pay attention to the quality of both raw material and finished products.
Our quality testing includes diamond grit testing, matrix tolerance testing, hardness testing, appearance testing, etc.
We buy large quantity of various masonry for testing diamond tools. Deyi has a higher standard about products' quality, we will test products as real usage scenario before delivery.
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Standard:CE Number:TST202108Q3098-ISC Issue Date:2021-08-10 Scope/Range:Diamond Drill Bit Issued By:TST Testing Technology Co.,Ltd |
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Standard:CE Number:TST202108Q3099-ISC Issue Date:2021-08-10 Scope/Range:Diamond Saw Blade Issued By:TST Testing Technology Co.,Ltd |
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Standard:ISO9001:2015 Number:19821QH2127R0S Issue Date:2021-08-18 Expiry Date:2024-08-17 Scope/Range:Diamond Tools Issued By:Beijing Xinjiyuan Certification Co., Ltd |
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Standard:Patent Certificate Number:ZL201821650280.0 Issue Date:2019-06-11 Scope/Range:BRAZED SAW BLADE Issued By:China National Intellectual Property Administration |
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Standard:Patent Certificate Number:ZL201821650298.0 Issue Date:2019-06-11 Scope/Range:SAW BLADE Issued By:China National Intellectual Property Administration |
Contact Person: Mrs. Vicky
Tel: +86--13683355951
