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SHENZHEN DEWANG HIGH-TECH CO.,LTD
SHENZHEN DEWANG HIGH-TECH CO.,LTD CHENGQI IMPT& EXPT LTD
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SHENZHEN DEWANG HIGH-TECH CO.,LTD Quality Info

SHENZHEN DEWANG HIGH-TECH CO.,LTD
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SHENZHEN DEWANG HIGH-TECH CO.,LTD

QC/Technical Support

 

We have more tha 26 colors for ABS PLA filament, all of oour product have passed  Rohs ,CE , en71, FCA Certification 

 

1.Produce process

 

  • Before produce extruding filament ,we will dry ABS and PLA for a enough time (3-5 hours).
  • Mix with colors masterbatch or colors powder, all which .certified with ROHS.
  • Adjust temperature and dragging rate , make filament diameter range at 1.6-1.8mm/2.8-3.0mm, roundness +/-0.05mm, each spool net weight 1kg+/-0.02kg
  • we put all filament spool in shelf, different kind in different shelf, all categories arranged orderly.

 
2.Productiong quality control

  • we have diameter laser detect kits to control extruding rate on line, when diameter smaller or higher than accept range, the laser detect kits will adjust the extruding rate higher or smaller to make diameter range at acceptable.
  • keep each record filament samples sent to customers, build a tracking able document.
  • when the filament put on shelf longer than half a year, we will dry the filament again.

3.About waste & recycle

  • Much time you will find some black filament is too brittle, that added and mixed with some recycle and scrap after produced.
  • We haven’t produced with scrap outlet, rework&recycle material, or dispose, but for quality assurance purpose.
  •  

4.packaging

  • We put each filament /spool on seal PE bag with desiccant , then smaller carton, then out big box
  • We also have vacuum heated bag to replace of PE bag, make better avoid moisture.

5.research and developing

  • we have engineers that specialty in color formulation ,plastic modification, packaging, quality control ,producing control, we can do according to your requirements

Company Certifications

Standard:CE
Number: BCTC150303125
Issued By:Shenzhen BCTC Technology
Standard:EN71
Number: BCTC150303126
Issued By:Shenzhen BCTC Technology
Standard:FCC
Number: BCTC150303127
Issued By:Shenzhen BCTC Technology
Standard:ROHS
Number: BCTC150303128
Issued By:Shenzhen BCTC Technology
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