Product Name: 2300ml Paint Mixing Cups Model NO.: 2300ML Paint Mixing Cups Trademark: Thunder Finish Transport Package: Cartons Specification: 2300ML Paint Mixing Cups Origin: China HS Code: 327390000 Product Description Paint mixing cups paint spray cups for automotive refinishingThunder Finish paint mixing cups advantage:1, since 2017 and made by our own factory2,high plastic quality, accurate ratios on cups3,no leaking between cups and lids4,four sizes are available5,strong supply capacityOther details 1,shipping from NingBo port in China2,20 days lead time3,MOQ is 100 boxes4,your logo can be printed on our cups&cartonsHow do we control cup quality?Daily Inspection:The main inspection issue is Leaking.Every day, we have 2times check on the leaking issues.1.In the morning, 2inspectors will pick up 5sets PPS which just produced. And filled with water, combined with hard cups and adapters. Then upturned on the table. They will check the if leaking or not. And after finish testing, deliver the Report to the QC Manager.2. In the Afternoon, 2inspectors will pick up 5sets PPS which just produced in the afternoon, and check the leaking issue. And after finish testing, deliver the Report to the QC Manager.Each batch quality control:When we finish an order, we will have below inspection steps.Check the cartons surface, if any cartons broken, we will replace new carton.Check the marks on the carton, if it is as customers requirements or not.Leaking inspection, inspectors will pick 10 sets from 10 boxes. And test by 2times, morning and afternoon, 5sets each time. Then deliver the report to QC Manager. And QC Manager &Production Manager will check the results again. After both of them agree the results, and then sign on the sheet, it means the order is agree to ship out.