Hunan Hualian Torch Porcelain Insulator & Electrical Apparatus is the former Hunan Province Liling Porcelain Insulator Works, which was established on the date of 4th, Dec. In 1946, There are nearly 800 staffs in our company, it occupies a area of 210000m2. Our company has production history of porcelain insulator and electrical apparatus more than 60 years, and it was once one of the leading company in Five National leading Porcelain Works, uality Guarantee System has been perfect, and it has passed ISO9001-2008 Quality Guarantee System certification. It can design, produce and develop thousands of products with 13 series, such as SF6 Porcelain Shell of 500kV or lower, Electrical Apparatus Porcelain Shell of 500kV or lower in power station, solid-core post insulator of 500kV or lower, oil-paper type transformer of 220kV or lower, transient transformer, SF6 gas insulation transformer of 500kV or lower, transformer bushing and wall bushing, combination electrical apparatus and line insulator of 220kV or lower according to IEC, ANSI, BS, DIN, AS, GB, its annual output of high-voltage porcelain insulator is 6000T and more than 4000 sets of 110kV~500kV CT, its value of output is 220000000 RMB.