GENCORE

World-Class OEM/ODM Manufacturer of Stainless Steel Tumblers

Precision Engineering & Sustainable Drinkware Solutions for Global Brands

GENCORE

World-Class OEM/ODM Manufacturer of Stainless Steel Tumblers

Precision Engineering & Sustainable Drinkware Solutions for Global Brands

FDA Approved

Compliance with LFGB & SGS global food safety standards for wholesale drinkware

BPA Free & Eco-Friendly

100% Non-toxic, sustainable materials for eco-conscious brands

Factory Direct Price

Competitive wholesale pricing directly from our ISO-certified source

Flexible MOQ

Scalable production supporting both small start-ups and bulk enterprise orders

Custom branded 40oz stainless steel tumblers wholesale

Custom Insulated Tumblers

Vacuum insulated stainless steel water bottles manufacturer

Bulk Water Bottles

Double-walled stainless steel coffee mugs with lids

PREMIUM COFFEE MUGS

Bespoke tumbler accessories wholesale including leak-proof lids, protective silicone boots, and reusable straws - Gencore Customization

Tumbler Accessories & Parts

One-Stop OEM/ODM Drinkware Solutions

custom-tumbler-inquiry-process-gencore

01 INQUIRY

Submit your idea & requirements

3D-rendering-and-mold-building-for-bottles

02 DESIGN & R&D

3D rendering & mold building

fast-prototyping-stainless-steel-cups

03 SAMPLE CONFIRMATION

7-10 days for fast prototyping

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04 MASS PRODUCTION

100% QC inspection & global delivery

Gencore factory worker performing quality control on stainless steel vacuum insulated tumblers at our ISO-certified manufacturing facility in Yongkang, China.

MANUFACTURING EXCELLENCE

5,000㎡ Modern Facility Powered by Innovation

Who We Are
       Gencore is a leading professional stainless steel drinkware manufacturer and exporter based in Yongkang, China (The Hardware Capital). With over 15 years of industry experience, our facility covers 5,000 m² with automated production lines, ensuring a daily output of 20,000 pieces. We don’t just manufacture bottles; we build brands. From ID design to surface finishing, we offer comprehensive one-stop OEM/ODM solutions to meet international standards.
        We don’t just manufacture bottles; we build brands. From ID design to surface finishing, we offer one-stop OEM/ODM solutions.

INDUSTRY INSIGHTS

FREQUENTLY ASKED QUESTIONS

MOQ & Samples
What is your Minimum Order Quantity (MOQ)?

 For standard products in stock, our MOQ is as low as 50 pieces. For custom colors or private label logos, the MOQ starts from 500 pieces. Please contact us for specific details based on your model.

Can I get a sample before bulk order? Is it free?
Yes, we strongly encourage testing samples.

Stock samples: Free of charge (freight collect).

Custom samples: A small setup fee applies, which is 100% refundable once your bulk order exceeds 1,000 pieces.

What kind of printing services do you offer?

We offer a full range of branding options including Laser Engraving (most popular for durability), Silk Screen PrintingHeat TransferUV 3D Printing, and Embossing.

Can you help with packaging design?

Yes. We provide standard white boxes, but we can also customize color boxes, cylinder tubes, or display crates with your brand design to make your product retail-ready.

What is the lead time for mass production?
 Generally, it takes 25-35 days after the deposit payment and pre-production sample approval. For rush orders, please contact our team to check priority slots.
What are your shipping terms?

We support EXW, FOB, CIF, and DDP (Delivered Duty Paid). If you don't have a forwarder, we can handle the shipping directly to your warehouse (door-to-door service), including tax clearance.

What payment methods do you accept?

We accept T/T (Bank Transfer) and PayPal (for samples). Our standard term is a 30% deposit to start production and the 70% balance before shipment or against the Bill of Lading copy.

How do you ensure product quality?

Quality is our priority. We conduct 3 rounds of inspection: Raw material check, inline inspection during production, and final random inspection (AQL Standard) before packing. We also welcome 3rd-party inspections like SGS or Intertek.