The mechanical parts of YESHINE luggage buckle require precision machining. They have to go through deburring, polishing, milling, drilling, threading, grinding, turning, etc.
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The design of YESHINE luggage buckle follows these steps. They include the determination of forces acting on and energy transmitted by each element; selection of materials; confirmation of size and shape, etc.
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The tests for YESHINE [luggage buckle have been strictly conducted. These tests include vibration and shock testing, noise testing, thermal shock testing, fatigue testing, etc.
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The mechanical parts of YESHINE luggage buckle have undergone production processes such as metal material preparation, cutting, welding, surface treatment, drying, and spraying.
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YESHINE luggage trolley is manufactured in mechanical rooms that are dedicated to mechanical equipment. It will go through stamping, CNC machining, and surface treating such as coating and lacquering.
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It is 100% qualified, free from any deficiencies or defects.