HANGZHOU KAISA CAR ACCESSORY CO.,LTD.

Quality ControlQuality Control


Our quality control for seat cover is practiced from the initial stage of sourcing raw materials to the stage of finished products. For upholstery industry product quality is calculated in terms of quality and standard of fabrics, color fastness, foam lamination, stitching works and finished sizes.

We have strict standards for every stuff that built for seat covers, to name just a few:

  • Sewing thread bulked yarn
  • Sewing thread twisted yarn
  • Color fastness to washing
  • Color fastness to water
  • Color fastness to rubbing
  • Color fastness to light
  • Color fastness to Saliva and Perspiration
  • Pentachlorophenol ( PCP ) Content
  • Total Cadmium Content Test
  • Migration of Certain Elements
  • Azo-Dye Test
  • Allergenic Disperse Dyes Test
  • Nonylphenol ( NP) Content Test
  • Phthalates in PVC Plasticisers


Quality control process:


1.Raw material:
Fabrics: weight, fastness, width, defects per square meter.
Foam: thickness, weight, bubbles qty.
Package stuff: quantity, color fastness
2.Size and Designing
CAD designing, counter samples will be made for every pattern for size checking.
3.Fabric cutting
Comparing sizes for cutted pieces with original pattern. Pick out the defect panels.
4.Stitching works
Randomly quality checking for the semi-finished seat covers, comparing sizes with original patterns.
5.Quality Inspection
Quality checking for all finished seat covers, cutting off additional thread heads.
6.Packing
Every workers will be given an packing instruction book and carefully taught before packing.
7.Final Quality inspection before Delivery
Randomly inspection will be occured before finial delivery to make sure every seat cover is perfect.
8.Delivery
Professional staff to deliver the LCL goods or loading container for full containers.