China makes over 70% of the world's stainless steel bottles and vacuum flasks — which means the moment you search "water bottle manufacturer," you're staring at thousands of near-identical listings, and many of them are trading companies rather than the factory making the goods. What matters is knowing which one you are dealing with and which steps they actually control. We've had buyers reach us after a first order of 5,000 units arrived dented, lost its logo after ten washes, or went quiet two weeks before a hard deadline.
We've been on the factory side of that decision in Yongkang since 1998. So rather than a generic checklist, this is what we'd actually look for — and the exact questions we'd ask — if we were the ones wiring the deposit.
What we see from our side of the bench: most sourcing disasters don't start with a "bad factory" — they start with a buyer taking the cheapest quote, and a supplier quietly thinning the wall steel or skipping the pre-paint vacuum test to hit that number. When an order does go wrong, it usually traces back to material, packaging or inspection rather than to manufacturing capability — which is why those three are the ones worth pinning down in writing. The questions below are how to do that before you pay.
Over 60% of China's water bottle and vacuum flask manufacturers are concentrated in Yongkang City, Zhejiang Province. The region has 500+ specialized factories, a complete supply chain (steel, plastic, printing, packaging), experienced workforce, and established export infrastructure. When sourcing drinkware from China, starting with Yongkang-based manufacturers is logical — the supply chain is mature, competitive, and globally experienced.

Before placing any order, verify these certifications exist and are current:
| Certification | Market Requirement | What It Covers |
|---|---|---|
| FDA 21 CFR | USA (mandatory) | Food contact materials safety |
| LFGB | Germany/EU (required) | German food safety law — heavy metals |
| EU Reg. 1935/2004 | All EU markets | EU food contact materials migration |
| California Prop 65 | USA California / Amazon US | Lead, cadmium, phthalates testing |
| GRS | ESG/Sustainability claims | Recycled material content |

You choose an existing product from the factory's catalogue and add your logo/branding. Lead time: 30 days. Lower cost, no tooling investment, lower risk.
You provide a new design (sketch or 3D file), the factory builds the mold and produces to your specifications. Lead time: 60 days for tooling + 30 days production. Higher investment, but gives you a unique proprietary product.
Water bottle pricing varies significantly by material, volume and customization:
| Product Type | 500 pcs (FOB) | 5,000 pcs (FOB) | 50,000 pcs (FOB) |
|---|---|---|---|
| Stainless Steel Thermos (500ml) | $5.50–8.00 | $4.00–6.00 | $2.80–4.50 |
| Sport Water Bottle (700ml) | $4.00–6.00 | $3.00–4.50 | $2.00–3.50 |
| Coffee Travel Mug (350ml) | $4.50–7.00 | $3.50–5.00 | $2.50–4.00 |
| Beer Mug (500ml) | $4.00–6.50 | $3.00–5.00 | $2.20–3.80 |
*Prices are indicative FOB Yongkang. Actual pricing depends on specifications, logo complexity, and packaging. Request a formal quotation.

Zhejiang Jupeng Drinkware Co., Ltd. has manufactured drinkware in Yongkang since 1998. Here's how we answer each requirement above:
Contact Jupeng Drinkware today. We respond within 24 hours with a detailed quote, product recommendations, and all certification documents.
Request Free Quote + Sample →Browse our factory-direct ranges or get a quote within 24 hours.
Get a Quote WhatsApp UsWe are the factory behind these articles — 500 pieces per design, samples in 7–10 days.
Written by the Jupeng Drinkware team — Yongkang, Zhejiang, China. Manufacturing drinkware since 1998: eight workshops, 100+ staff, 10,000 m² across two sites. Contact Beyond: [email protected] | WhatsApp +86 156 5791 8881