During production inspection (DPI) refers to the inspection of products during the production process, when the products produced and packaged account for 10% to 30% of the total orders. The purpose is to detect potential quality issues in the production process as early as possible, providing an opportunity for corrective measures in the early stages of production and avoiding the production of a large number of non-conforming products. During production inspection is part of the overall quality assurance plan.

After conducting supplier/factory evaluations, customers place orders with the suppliers/factories, to understand the factory's material preparation situation and the quality of raw materials, a pre-production inspection (PPI) is generally required and conducted before mass production.

Presbyopic glasses also known as reading glasses, is a kind of optical products for glasses for presbyopia people, belong to a kind of convex lens.presbyopia glasses are mainly to meet the needs of the eye presbyopia crowd. 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.

The applicable raw materials of weaving machine are: nylon compound (wire), acrylic filament wire (wire), acrylic, polyester, nylon, PP, low elastic, high elastic, cotton yarn (wire), bead light, leather, mixing, etc. High-speed walking weaving machine has a complete N color automatic conversion device, and controlled by the computer motor to drive the automatic switch between the feeding mouth, making the multi-color weaving simple and easy to do. 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.

Air fryer, is a kind of air for & quot; Fried & quot; machine, mainly uses air to replace the hot air in the original hot air, the hot air also blows away the water of the food, to achieve the effect of frying. 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.