Insulation cup (Vacuum cup) is generally a water filling container made of ceramic or stainless steel plus vacuum layer, with a top, sealed, vacuum insulation layer can make the internal water and other liquids to delay heat dissipation, to achieve the purpose of heat preservation.
Teencher Inspection team consists of professional quality control and international trade experts, each member with extensive inspection experience and very strong sense of service. our inspection can help you to reduce logistics costs, return risk, complaints, compensation and potential brand reputation due to quality problems.
1.Inspection Environment and Requirement
-Requirement for place of inspection:Light from a power of at least 500 Lux.
-Perspective:The products must be tested by every angle.
-Distance of viewing:In doubts, check the products from a distance of 30 cm. If it is not visible, it is no defect. View the items by various angles.2.Defect Description
-Not permitted any sharp point/sharp edge.
-Not permitted infestation of live insect.
-Not permitted blood mark.
-Not permitted slant logo,unclear logo,logo defect etc.
-Not permitted poor assemble,unreasonable gap etc.
-Not permitted rust mark etc.
-Not permitted burr mark,crack,chipped,hole,laser defect,printing defect etc.
-Not permitted mold mark,flash mark,scratch mark,press mark,dent mark etc.
-Not permitted grease,dirt, impurity,fingerprints etc.
-Not permitted deformantion,wobble bottom etc.
3.Field Test & Measurement
-Color shading check
-Function/wobble check
-Smell check
-Product dimension check
-Product weight check
-Barcode readable check
-Stability check
-Water leaking test
-Capacity check
-Heat loss check
-Rub test
-Tape test
-Quantity per carton check
-Carton dimension check
-Carton weight check
-Carton drop test