1.Material:Outer shell is PP or Nylon pa66,inner metal is stainless steel or copper.Different material matching
PP+Stainless steel
PA+Stainless steel
PP+Copper
PA+Copper
2.Fire retardant is UL94-v2(PP material),or UL94-v0(PA material)
3.Certificates:CE,CQC,SGS,ROHS
4.Own factory,good price with best quality assurance
5.All orders can be made through alibaba trade assuance
6.Free samples available
7.Fast delivery time.Our produce ability is more than 5 million pcs per day,also have regular stock