Contact Us
Send drawings, samples or requirements. We respond with engineering feedback and the next quotation step within 24 hours.
Qingdao Blue Diamond Industry Co., Ltd.
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Address
T3Bld NO. 877 Lijiang West Road, Huangdao District, Qingdao, Shandong, China 266555
T3Bld NO. 877 Lijiang West Road, Huangdao District, Qingdao, Shandong, China 266555
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Sales Inquiry
info@bluediamondindustry.com
info@bluediamondindustry.com
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Engineering Support
mike@bluediamondindustry.com
mike@bluediamondindustry.com
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Tel
+86 532 86945929
+86 532 86945929
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WhatsApp
+86 13356360481
+86 13356360481
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Business Hours
Mon – Sat: 8:00 AM – 6:00 PM (UTC+8)
Mon – Sat: 8:00 AM – 6:00 PM (UTC+8)
Send Us Your Project Details
⏱ Quotation within 24 hours
Most quotations are provided within 24 business hours.
Most quotations are provided within 24 business hours.
🔒 Strictly confidential
All project information is kept strictly confidential.
All project information is kept strictly confidential.
Global Response Commitments
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24h Response Guarantee
Our sales and engineering team responds to all inquiries within 24 business hours with technical feedback.
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Technical DFM Review
Every submitted drawing receives a complimentary manufacturability review before we provide a formal quote.
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Global Logistics Support
We ship to over 30 countries with complete documentation — COA, PPAP, packing list and customs paperwork.