high quality EVA cases

EVA cases are made using a thermoforming technique.   The first step is to choose the surface and lining materials. These materials are then laminated together with an EVA sheet sandwiched in between to create a composite sheet.     Once the sheet is ready, it is cut into the appropriate size for case forming.     The laminated sheets are then heated in an oven to soften them.      The heated sheet is placed over an EVA mold (shaped like the final case shell).     A vacuum is applied to remove any trapped air and pull the material tightly into the mold, sometimes with the help of pressurized air. This process shapes the laminated sheet into the detailed contours of the mold. After a brief forming cycle, a burst of reverse air pressure is applied from the vacuum side to break the vacuum seal and assist in releasing the formed parts from the mold as the tooling opens.     The next step is to arrange for trimming the excess material and cut out the shell for stitching purposes.     After that, our QC staff will inspect each shell individually. Shells that pass the inspection will be sent to our stitching workshop for the stitching and assembly process.       Once the entire product is completed, our FQC team will handle the stitching thread end cutting and inspect each product individually. Only those that meet our quality standards will be forwarded to the next stage.     Products that meet our quality standards will be placed into polybags and packed into export cartons. We will then arrange the delivery method based on the customer's request.          

In today's competitive market, choosing the right custom EVA case manufacturers is about more than just price or design.  But it's about reliability, durability, and trust.  At Yisi Packing, we understand that our customers need more than just a protective case.  They need confidence in the product they’re investing in.  That’s why we proudly offer a product warranty on all our custom EVA cases.   What is a Product Warranty?   A product warranty is a promise from the manufacturer to the customer that the product will meet certain standards of quality and performance.  If the product fails due to manufacturing defects within the warranty period, the manufacturer agrees to repair or replace it.   At Yisi Packing, our warranty covers manufacturing defects, including faulty zippers, seams, or materials, ensuring that our customers receive high quality EVA cases that perform as expected.   Why Is a Warranty Important?   Builds Trust with CustomersA product warranty signals that the manufacturer stands behind their product.  It reassures customers that they are buying from a reliable source who values quality and long term performance.   Protects Your InvestmentWhether you're purchasing cases for consumer electronics, medical devices, or industrial tools, a warranty gives you peace of mind that your purchase is protected.   Reflects Manufacturer ConfidenceOffering a warranty shows that the manufacturer is confident in their quality control and materials.  At Yisi Packing, our EVA cases go through strict quality inspections to ensure they meet both international standards and your custom requirements.   Enhances Your Brand ImageIf you're an OEM or brand looking to include custom EVA cases with your products, offering your customers a product backed by a manufacturer’s warranty improves your own brand reputation.   What Does Yisi Packing’s Warranty Cover?   Our standard product warranty covers:   Material defects (e.g., EVA shell, lining, foam inserts) Zipper and stitching failures Manufacturing workmanship   The EVA foam case warranty period is typically 9 months from the date of delivery, but we also offer flexible warranty terms for large or long term clients.  Damage caused by misuse or unauthorized modification is not covered, but we’re always happy to help troubleshoot any product issues.   Why Choose Yisi Packing?   Yisi Packing has been manufacturing high quality custom EVA cases in China for over a decade.  We offer full OEM/ODM services, competitive pricing, low MOQs, and fast production times.  Most importantly, we back every product with our commitment to quality, demonstrated by our product warranty and long term customer partnerships.   When selecting a custom EVA case supplier, make sure you're not only getting the best design and price, but also the product cases warranty.  At Yisi Packing, we’re committed to delivering EVA cases that meet your expectations, and backing them with a warranty that proves it.   Contact us today to learn more about our custom EVA case solutions and warranty policies.