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About Eastegg

China Best Water Bottle Manufacturer
Welcome to Eastegg, a subsidiary of Sellers Union Group founded in 1997 in Ningbo, a premier Chinese port. With 25 years of export expertise, we built a reputation by delivering top-tier products for diverse needs.

We specialize in designing and producing a range of high-quality products—including stainless steel vacuum tumblers, water bottles, glass sports bottles, and plastic water bottles. Our advanced facilities and quality controls support continuous improvement and innovation, keeping us at the forefront of excellence.

To ensure that all Eastegg products are comply with international standard, we could provide BSCI certificate, FAMA certificate, ISO 90001 certificate…

20,000 m²

Factory Area

15 Advanced Lines

Production Lines

Over 10 Million Units

Annual Output

30,000+ Items

Daily Production

20+ High-Precision Instruments

Testing Equipment

300+ professionals

Skilled Workforce

How to Make Glass Products Step by Step

Material Selection

We meticulously select premium-grade stainless steel to ensure durability, corrosion resistance, and optimal thermal insulation properties in our tumblers.

1

Pipe Cutting

The stainless steel pipes are precisely cut into predetermined lengths, forming the initial structure of the tumblers.

2

Expansion Forming

Utilizing advanced water expansion techniques, the cut tubes are shaped into the desired tumbler form, ensuring uniform wall thickness and structural integrity.

3

Trimming and Threading

Excess material is trimmed to achieve precise dimensions, and threading is applied to the mouth of the tumbler to accommodate lids securely.

4

Welding and Assembly

The inner and outer layers are expertly welded together, and the bottom part is securely attached, forming a sealed double-wall structure essential for vacuum insulation.

5

Vacuum Creation

The space between the double walls undergoes a vacuuming process, effectively eliminating air to enhance the tumbler’s thermal retention capabilities.

6

Surface Treatment

The tumbler’s exterior is polished to a smooth finish, followed by surface treatments such as powder coating or painting to achieve the desired aesthetic and additional protection.

7

Quality Inspection

Each tumbler undergoes rigorous quality control tests, including vacuum insulation performance assessments and leak tests, ensuring adherence to our high standards.

8

Branding and Packaging

Customized branding elements, such as logos, are applied through techniques like laser engraving or printing. The final product is then carefully packaged, ready for distribution.

9

OEM & ODM Capability

At Eastegg, our OEM & ODM capabilities could assit you to create customized products tailored to your market needs. With a dedicated R&D team and state-of-the-art manufacturing facilities, we collaborate closely from concept through to production. Our flexible customization options and stringent quality assurance ensure that every product meet your exact specifications, setting a new standard in excellence.

Powder coating

Gradient powder coating

Spray painting

Rubber painting

Rainbow painting

Rose-gold metallic painting

Water transfer printing

Electroplate

Certifications & Quality Control

We adhere to the highest international standards through rigorous testing and quality assurance. Our industry-recognized certifications guarantee that every product meets strict performance, safety, and durability criteria.

Raw Material Inspection

We begin by sourcing premium-grade stainless steel, which undergoes rigorous inspections to verify its chemical composition, tensile strength, and corrosion resistance. Only materials that meet our stringent standards proceed to the next stage.

In-Process Quality Control

Dimensional Accuracy: Regular measurements confirm components meet precise specifications. Welding Integrity: Non-destructive tests identify any welding defects. Vacuum Seal Verification: Every tumbler undergoes vacuum testing to validate insulation integrity.

Surface Finish Examination

Post-manufacturing, the tumblers undergo a thorough surface inspection to identify any imperfections such as scratches, dents, or uneven coatings. This ensures a flawless aesthetic surface coating.

Thermal Performance Testing

We conduct thermal retention tests to verify that our tumblers maintain the desired temperature for the specified duration, ensuring optimal performance.

Leakage and Pressure Assessment

Each tumbler is filled with water and subjected to pressure tests to ensure there are no leaks and that the seals function perfectly under various conditions.

Final Inspection and Packaging

Before packaging, a final comprehensive inspection is performed to confirm that each tumbler meets our quality standards. Products will be carefully packaged to prevent damage during transportation.

Our Commitment to Environmental Sustainability

Energy
Efficiency

Optimized Equipment: We utilize energy-efficient machinery to minimize energy consumption.

Renewable Energy: We are exploring the integration of renewable energy sources to further reduce our carbon footprint.

Waste
Management

Recycling Programs: We implement comprehensive recycling initiatives to reduce waste and promote resource conservation.

Waste Reduction: We continuously seek methods to minimize waste generation during production.

Water
Conservation

Efficient Usage: We employ water-saving technologies to reduce water consumption.

Wastewater Treatment: We treat and recycle wastewater to minimize environmental impact.

Sustainable
Materials

Eco-Friendly Sourcing: We prioritize the use of sustainable and recyclable materials in our products.

Supplier Collaboration: We work closely with suppliers to ensure environmentally responsible practices.

Emission
Control

Pollution Prevention: We implement measures to reduce emissions and prevent pollution.

Compliance: We adhere to environmental regulations to ensure responsible manufacturing.

Environmental
Management
System

ISO Certification: We are working towards ISO 14001 certification to formalize our environmental management practices.

Continuous Improvement: We regularly assess and enhance our environmental performance.

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