1 The shape is the same as the sample, including the size of the edge of the fine edge, the curvature of the surface, etc. 2 inspection standards, the following phenomena are waste: a. Needle eye: The needle eye breaks, cracks, the eye hole is not in the center of the button, the four hole position is not square, the eye hole and the buckle surface are not perpendicular, after the broken needle, there are few holes or the needle is not penetrated, the front is big, the back is small, the dark eye Buckle, fringe edges, no holes, etc. b. Buckle: One side is thick and one side is thin; the overall thickness of the button is correct, while one side is thick and one side is thin. c. Compared with the sample buckle, the overall thickness is thicker or thinner in the overall button and there are thick and thin four consecutive buttons when the machine is turned. Finished product acceptance standard Finished product standard 1, the color, pattern, model and sample or the product requirements are the same. 2. The pinholes are positive and symmetrical, and the needle pitch and pinhole size meet the standards. 3, photometry meets the requirements. 4. There is no car-frying, no car-breaking, and uneven thickness on the back. 5, according to style, color, pattern, type packaging. Want to learn more about buttons: accessible FR Coverall is a protective garment that is worn during work and produce. The style of structure, color configuration and material selection of the FR Coverall are designed for the purpose of safety first, which is the functional difference between the work FR Coverall and other garments. Furthermore, in the design of labor protection FR Coverall,FR Jackets,FR Shirts,FR Pants. Which safety and protection functions are the first. On this basis, the rationality and comfort of the FR Suit shape should be considered, so that the binding force of the FR Coverall to the human body is reduced to a minimum, thereby improving the work effectiveness. Fr Coveralls,Fireproof Coverall,Workwear Coverall,Safety Coverall Xinxiang Xinke Protective Technology Co, Ltd. , https://www.coverallsuits.com