porcelain light socket E27 1)item no.505B 2)hot sale ... $0.16~$0.20/pc FOB Fuzhou Porcelain light socket E271.Series: E10,E12,E14,E27,E40,B22,GU10, ... 51x35x21cm/100pcs9.Some dates of porcelain light socket E27 type. porcelain light socket E27 material partsScrew shell1.Aluminum-plated copper2. ... bottom price10. More photos for the porcelain light socket E27:11. photos for producing the porcelain part: