Pu safety shoes quality inspection specific as follows:1. The reference sample shoes, manufacturing orders, color CARDS, engineering change and related data to check the instep color, accessories, car line, operating standards of the production process is correct.2. After a set of stereotypes is skewed acceptable within plus or minus 2 mm, lining after activation temperature distribution baked soft, temperature is too high, time is too long, not bake broken or hurt inside waterproof socks, plastic mould, code-named H12345 plastic mold.3. Enter here is, not skewed (acceptable within + / - 1.5 mm), feet shall not enter into the, to the place, pull is, smooth the GORE - TEX waterproof socks not crinkle, empty, cannot substitute here or wrong here, shoe last SIZE and shoe SIZE, shoe last, code-named H12345 here, shoe last to smooth and clean without ling Angle, punctures, lest hurt inside.4. The base plate and shoe SIZE, stick in the slab edge and on the edge of the shoe last level, not skewed, not stick does not reach the designated position.5. Steel-toed cementing steel-toed, stick a bunt reinforcement, stick a red plate according to the standard work, not use wrong or alternative steel-toed, segmented as follows:Shoe SIZE 39 and 40 # 41-42 43-44 # 45-46 # # # 47-48Bunt SIZE 7 # 8 # 9 # 10 # 11 #Before 6. Played before help, help it to coordinately not hair Angle, skew, skin, not burst open, wrinkling, floor in crease, help Angle of 15 to 18 mm (+ / - 3 mm within acceptable).7. Pull the waist to help to pull in place, with the standard of the bottom class in seal (plus or minus within 2 mm acceptable), but need to put here, not empty, corrugate.8. To tie my shoe, when pull good tongue gaskets pad, smooth, pull the LACES tight, tongue, eye shall have no buckling, wavy, width and elastic, up and down.9. Help it must coordinately, reach the designated position, do not have empty, askew phenomenon, according to the bottom line of printing after help within 3 mm, about the heel height (plus or minus 2 mm acceptable).10. Edge grinding smooth, reach the designated position, the ash blowing clean, do not hurt the instep, frozen time for 3 to 5 minutes, the temperature of 0 to 3 ℃ or so.11. There shall be no inner bag empty, broken, wrinkling, marks, etc. Bad phenomenon.12. Nylon core, according to the bottom print stickers, do not post not skewed and in place (plus or minus 3 mm acceptable), heart block and nylon upper SIZE accordingly, do not misuse or substitute.Head size 13. Check the instep, the shoes, the heel height feet, with double inspection shall not have off color, grain not double, vamp there shall be no dirt, grease, crack, breakage etc. Bad phenomenon.