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Zhengzhou Zhongyuan District Qinglong Jewelry Firm
Custom manufacturer
1yr
Henan, China
Main categories: Jewelry, Diamond Fine Jewelry, Lab Grown Diamond, Grown Gemstone
Ranked #2 Loose Diamonds class _i18n_mod_start_`shopmodule.shopsign.rankinquery_i18n_mod_end_Design-based customizationFinished product inspectionOn-site material inspectionTesting instruments (5)
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Zhengzhou Zhongyuan District Qinglong Jewelry Firm

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Performance
5.0/5
Very satisfied18 reviews
  • ≤2h
    average response time
  • 100.0%
    on-time delivery rate
  • -
    {0} orders
Agile supply chain
Design-based customization
Raw-material traceability identification
Finished product inspection
IGI
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Main products

Profile
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by TüVRheinland
Overview
Company registration date2022-03-17
Floor space(㎡)300
Accepted languagesEnglish
Years exporting1
Years in industry2
Certifications
IGIPRODUCTLG643435956
IGIPRODUCTLG598320877
GRCPRODUCTGRS2014-03237...
IGIPRODUCTLG652443712
IGIPRODUCTLG640464774
GRCPRODUCTG2410180082
GRCPRODUCTG2501030105
Production capabilities
Production lines4
Production machines20
Quality control
Product Support traceability of raw materialsYes
Product inspection methodInspection of all products, Random inspection, According to client's requirement
Quality control conducted on all production linesYes
QA/QC inspectors1
Trade background
Supply chain partners7
Main client typesRetailer, Engineer, Wholesaler, Brand business, For private use, Manufacturer
R&D capabilities
Customization optionscustomized on demand, sample processing, graphic processing
New products launched in last year5000
R&D engineers2
R&D engineer education levels2 juniorCollege
Services
by TüVRheinland
Reviews (18)
5.0 /5
Very satisfied
  • Supplier service
    5.0
  • On-time shipment
    5.0
  • Product quality
    5.0
wonderful!!

Response from supplier:

Dear ,Thanks for your good review .Look forward to establish a long-term cooperation with you in the near future .
24 Mar 2025
Excellent quality

    Response from supplier:

    Thanks for your good review ,dear Looking forward to work with you again ~
    19 Mar 2025
    See all reviews
    Video tips
    00:19
    Oval cut diamond ring
    00:18
    Flower style solitaire stone ring
    00:18
    Man ring wedding ring
    00:24
    Luxury 18K jewelry customize
    00:29
    Synthetic /Lab grown gemstone
    00:12
    Main oval diamond ring
    00:11
    Emerald cut lab diamond
    00:10
    Emerald cut lab diamond
    00:16
    14K Round diamond earring
    00:12
    Red gemstone with semi-mount melee diamond ring
    00:14
    Round diamond tennis bracelet
    View more