... 2.Zinc,Nickel or Chromate plating,Anodise Channel to timber connector/ceiling connectorWe provide the product by our customer ... ceiling Parts Material:Brass,Copper,Aluminum,Stainless steelSize:According to customer's drawings or samplesProcessing: Stamping, Die casting, ... plastic injecting.We are looking forward to long-term cooperation with you by our most sincerity!/// Channel to timber connector