Leak-Proof and Airtight 23*20.5*5*5.5cm Plastic Bento Lunch Box for Customer Requirements

      Zhongshan IPS Electric Factory was established in 2000, located in Zhongshan City, Guangdong Province. Focusing on the R&D and production of small household appliances for 25 years, through continuous efforts, the current factory area is more than 6,000 square meters, with an automated production workshop and 5 assembly lines with an annual output of more than 500,000 units. The factory has passed ISO-9001; many products have passed CE, ROHS, LFGB, FCC, UKCA, etc.

      Our main products are lunch boxes, electric lunch boxes, mini rice cookers, electric mixers, bottles, tableware, etc.

      In the past five years, through continuous innovation, we have over 20 original design products from Europe and America and become a top ten brand supplier of kitchen appliances on Amazon.

Introduction to IPS Factory

Technical Production Department

IPS specializes in the production of electric lunch boxes, boasting over 100+ proprietary molds and 11+ fully automatic injection molding machines, enabling efficient assembly line operations. Leveraging patented technology, IPS rigorously implements 12 quality inspection processes, coupled with hourly inspections and full employee self-inspections for dual quality control, ensuring zero defects and supporting large-scale customized production.

Full-Chain Quality Control System:

• Mold R&D Advantages: A library of over 100+ mature molds enables rapid prototyping and shortens lead times.

• Scaled Production: 11+ injection molding machines operate in parallel – ensuring a stable supply and a daily production capacity of 10,000 units.

• Raw Material Incoming Inspection (strictly selects food-grade PP raw materials)

• 12 Quality Inspections During the Production Process (including key indicators such as dimensions, sealing, and temperature resistance)

• Dynamic Inspections (on-duty engineers conduct hourly inspections of key indicators)

• Full-Staff Quality Inspection (operators conduct real-time quality checks and record every process).

• Patent Guarantee: Products are food-grade safety certified and offer industry-leading durability.

IPS Electric Lunch Box Packaging Process

Standardized Packaging Process:

1. Label Verification

• Apply product labels in a standardized manner to ensure clear and accurate information.

2. Accessory Assembly

• Positioning and positioning the power cord after quality testing.
• Visually inspect each food-grade stainless steel inner container for defects and insert it precisely into place.

3. Sealing Quality Inspection

• Perform a 20% airtightness inspection after the lid is closed.
• Inspect the product exterior for scratches and stains.

4. Color Box Packaging

• Use shock-proof lining for standardized packaging.

5. Final Inspection and Sealing. 100% unpacking re-inspection at the end of the production line:

• Verify the completeness of accessories
• Check packaging integrity
• Verify shipping labels.

6. Qualified products are sealed and assigned a traceability code for storage