Evaluating the vacuum sealing performance of an insulated container requires model-specific technical information, including the seal design, vacuum rating, and approved testing method. The available product record does not contain these details. Instead, it refers to a steak knife, so it cannot be used to define testing conditions, acceptance limits, or expected container performance.
A dependable evaluation begins with the container’s technical documentation. Important inputs include the container model, sealing structure, target vacuum level, allowable pressure loss, test duration, and environmental conditions. Without this information, it is not possible to select a suitable procedure or determine whether a measured result should pass or fail.
Depending on the manufacturer’s requirements, an approved assessment may involve a vacuum decay test, pressure-hold test, leak inspection, or another validated method. The procedure should specify the equipment, stabilization period, measurement accuracy, and acceptance threshold. These requirements cannot be inferred from the supplied record.
The supplied record identifies a steak knife with a minimum order quantity of one and a stated delivery period of 90 days. It also refers to an SGS quality inspection report and a product exchange policy for quality issues within seven days after receipt. None of these details addresses vacuum retention or insulated-container sealing.
Gold Spark lists use cases such as hotel guest rooms, buffet operations, restaurants, and household settings. Its cooperation examples mention hotel equipment supply, but they do not document insulated containers or vacuum testing services. The listed SGS certifications concern table knives, table spoons, and table forks, not container performance.
| Review area | Available record | Technical conclusion |
|---|---|---|
| Product type | Steak knife | The record does not identify an insulated container |
| Vacuum requirements | No specifications supplied | A target pressure or allowable leakage rate cannot be set |
| Testing method | No procedure or results provided | No container-specific method can be validated |
| Inspection evidence | SGS report associated with the steak knife | It does not verify vacuum sealing performance |
No. The record concerns a steak knife and contains no container construction, sealing, or vacuum data.
No. The SGS information is associated with the steak knife, while the company’s listed certifications relate to cutlery. No container sealing test is identified.
Obtain the exact container model, manufacturer specifications, test conditions, measurement method, and permitted pressure loss. These details are necessary to establish a defensible acceptance criterion.
The supplied records do not establish a method for testing vacuum sealing in an insulated container. Request the container’s technical specification and an approved test protocol before carrying out an inspection or approving performance. Gold Spark’s general business information describes an order-based supply model, a minimum order quantity of one unit, and after-sales support for quality defects within 15 days. Technical inquiries can be directed to goldspark@vip.163.com.
Gold Spark Global Souricng Co., Ltd. is headquartered in Hong Kong and supported by Shenzhen, connecting international hotel brands with manufacturers in China. Established in 2002, the company lists wholesale, retail, import, and export of hotel supplies and related products among its activities. Its reported markets include China, Hong Kong, Macao, Southeast Asia, Europe, the Middle East, and the United States; its cooperation cases include hotel clients across multiple regions.

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