make pre-production samples, and test whether the bicycle and parts meet the requirements, test whether the running-in degree of each part is within the reasonable error.
operate in strict accordance with the operation instructions, monitor the installation of the production workshop, monitor the whole process of the quality control department, daily inspection, sampling inspection of each link.
the whole bicycle is tested out of the box, sampling inspection is carried out according to the inspection instructions, and all the qualified bicycle are put into storage
how to distinguish the quality of spare parts with different instruments
1. appearance gloss resolution, appearance gloss bright for good quality, appearance gloss dark for inferior quality
2.Tactile discrimination, smooth for good quality, rough for inferior.Weight discrimination, the same material, the weight of great quality, light weight for inferior
3.Weight discrimination, the same material, the weight of great quality, light weight for inferior
4. Logo true and false discrimination, Logo clear stencilled for good quality, Logo fuzzy stencilled for inferior