... -800kv GIS/TGCB;Extra high voltage 1100kv GIS;Main customers:China XD Electric Co., Ltd;(Stock code,601179); Xian XD Switchgear ... processing.Material: 5083,2A50,5A05,2A10,6061,6063,2A50,5154. carbon steel, stainless steelSurface treatment: Transparent oil, rust-proof oil. Aluminum alloy ... flange 5083.5083,2A50,5A05,2A10,6061,6063,2A50,5154. carbon steel, stainless steel