1. HOT porcelain lamp holder B22 2. Experienced Staff 3. Competitive Price 4. Quality Approvals ... 5. Prompt Delivery 1)Porcelain E27,E40,B22,E14,E17,E12,E26,E392)Material: ceramic/porcelain/Steatite, ... B/L or 100% irrevocable L/C at sight B22 porcelain lamp socketCertificationCE/ROHSTest StandardROHS—EC Directive 2002/95/ ... welcome to visit our factory. HOT porcelain lamp holder B22