FAQs

A vacuum sealer is a device that removes air from a specially designed bag or container and seals it airtight. This process preserves food freshness, extends shelf life, and prevents freezer burn by eliminating oxygen.

• Food preservation: Extends shelf life up to 5 times longer by reducing oxygen, which inhibits bacterial growth.
• Locks in flavors & nutrients: Prevents evaporation of volatile compounds, keeping food fresher and more flavorful.
• Prevents freezer burn: Airtight seal protects food from cold, dry air.
• Meal prep: Portion and store meals in advance for convenience.
• Quick marinating: Our vacuum sealers feature a pulse marinate cycle—household models run approx. 30 minutes, commercial models approx. 10 minutes. The system repeatedly vacuums and releases pressure (15 cycles for household, 5 for commercial) to infuse flavors rapidly.
• Sous vide cooking: Ideal for preparing restaurant-quality meals at home.
• Non-food items: Protects documents, electronics, and jewelry from moisture and corrosion.
• Space saving: Reduces package volume for more efficient storage.

By removing air, vacuum sealing reduces oxygen levels, which limits the growth of aerobic bacteria and mold. It also prevents the evaporation of volatile flavors and nutrients, keeping food fresher for longer.

Refrigerator: 2–3 times longer than normal storage
Freezer: Up to 2–3 years (depending on food type)
Pantry (dry goods): 1–2 years for items like grains, nuts, and beans

Yes. Vacuum packaging extends shelf life but does not stop spoilage if food was already deteriorating. Always refrigerate or freeze perishable vacuum-sealed foods.
To defrost: Place frozen vacuum-sealed packages in the refrigerator, never at room temperature, as the food inside is not sterile.

Yes, but use the "Pulse" or "Super Moist" setting (if available) to prevent liquid from being drawn into the machine. Alternatively, pre-freeze liquids before sealing. For best results, use a vacuum canister for liquids.

• Soft cheeses: May mold faster
• Raw fruits like bananas, whole apples: Emit natural gases; slice apples and treat with lemon juice before sealing
• Raw onions, garlic, mushrooms, cruciferous vegetables: (cabbage, lettuce, radishes, kale) – they release gases that break the seal
• Coffee beans: (release carbon dioxide, causing loss of vacuum)
• Freshly cooked/steamed vegetables: (cool to room temperature first to prevent vacuum loss)

Yes. Coins, important documents, silverware, survival kits, and more. Take precautions:
Use cardboard backing for coins to prevent imprints.
Wrap sharp items (e.g., silverware) in soft material like paper towel to avoid puncturing the bag.

Yes. Use bottle stoppers to vacuum seal partially consumed wine or other liquids. This removes oxygen and preserves flavor up to 5 times longer than re-corking. Leave at least 1 inch of space between liquid and stopper.

Vacuum sealer bags/rolls: Embossed (textured) to allow air to escape during sealing.
Embossed zip bags: Reusable, ideal for dry goods.
Vacuum canisters: Airtight containers designed for use with vacuum sealers.

Check that the bag is inserted correctly and the lid is fully closed.
Consult the user manual for troubleshooting.
Contact our support team for assistance.

We are a direct manufacturer. YUMYTH ELECTRONICS (est. 2017) specializes in the design and production of vacuum sealers, smoke infusers, and food waste processors. Our sister company, YUMYTH COOLING (est. 2025), focuses on frozen drink appliances. Together, we bring over 8 years of small appliance engineering and manufacturing expertise to every product.

Yes. We offer both OEM and ODM services, from simple branding to full product development.

Customization options include:

• Exterior design: Colors, patterns, finishes
• Branding: Logos, labels, custom artwork
• Packaging: Custom boxes with your branding
• Accessories: Personalized bags, rolls, or tools
• Functional tuning: Adjust settings, programs, or performance
• Partial customization: e.g., new cover based on existing base model
• Full development: Create a completely new model from your concept

Yes, costs vary based on complexity. We provide a detailed quote after discussing your requirements.

Non-customized: 500 units
Customized (branding/packaging/accessories): 1,000 units
New model development: Negotiable based on project scope

Basic customization (color/logo/package): 4–6 weeks
New cover or functional changes: 8–10 weeks
New model development: 12–16 weeks (depending on complexity)

Our products are certified to meet international standards:

• Electrical Safety: CE-LVD, ETL, CB
• EMC/EMI: CE-EMC
• Energy Efficiency: ERP
• Food Contact Safety: LFGB (Germany), FDA (US)
• Environmental: RoHS, REACH, PAHS, SCCP

Certifications are verified by third-party labs including SGS and BV.

BSCI (Social compliance audit)
ISO 9001:2015 (Quality management system)
Third-party audits are welcome.

Yes. We offer a 12-month warranty from shipment date, covering manufacturing defects.

The warranty does not cover:

• Commercial use of household models
• Negligent use or misuse
• Improper voltage or current
• Operation contrary to instructions
• Disassembly, repair, or alteration by unauthorized parties

After the warranty period, we continue to provide paid spare parts and technical support.

We implement a multi-stage QC process:

• IQC: Incoming component inspection
• IPQC: In-process checks during assembly
• FQC: Final functional testing before packaging
• Pre-shipment inspection: Third-party inspection accepted

Samples are not free. Sample cost and shipping are paid by the buyer. However, we deduct the cost of 1 sample from your first bulk order invoice.

3–10 days after confirmation.

30% deposit by T/T, 70% balance before shipment
L/C at sight (for qualified orders)
Other terms negotiable for long-term partnerships

Choose model(s) or let us recommend based on your needs.
Test samples and confirm order details.
Pay deposit to start production.
Inspect goods (third-party inspection accepted).
Pay balance and arrange shipment.