照明用鋁合金燈頭從90年代替代鑄鐵燈頭開始，得到廣泛應用，該產品具有重量輕、耐用、不易腐蝕等特點，常用合金3004、5052等，產品分非涂層和涂層燈頭。 重慶西南鋁精密加工有限責任公司于1997年批量向市場供貨，產品遠銷國內外市場。 Aluminum alloy lamp holder for lighting has been widelyused since replacing cast iron lamp holder in the 1990s.The lamp holder has the characteristics of the lightweight,durability. and incorruptiblenesses, etc. 3004 and 3052alloys are the commonly used aluminum alloy. The lampholders are divided into non - coated and coated lampholder. Chongqing SWA Precision Processing Co., Ltd. hassupplied to the market in bulk in 1997, the products havebeen exported to the domestic and foreign markets.