Dongguan Gaoneng Electric Co., Ltd.

Achievement certification The composite insulators (amount more than 48000) manufactured by Dongguan Gaoneng Industrial Co., Ltd. were used in Hada line and Gouhai line. Operational department reflected that the performance have being good and quality perfect. Project Construction Headquarters of Shenyang Bureau Dec.28, 2004

Report Performance To whom it may concern: The composite insulators (180kN) for suspension DC lines, manufactured by Dongguan Gaoneng Industrial Co., Ltd, were used in Tiangang DC Transmission Project (Type : FXBZ-- ±500KV/180KN), with its quantity being 400. Strict Visual inspection and sampling test had been conducted for these products before ex-factory; strict visual inspection had also been made in fields, and the inspection and test results were all eligible. As of August 28,2002, the insulators have been operating for 208 days, and performance condition is good. In addition, we are satisfied with the after service provided by Dongguan Gaoneng Industrial Co., Ltd. After service August 28, 2002 Manufacture & Technical Department of South Company of State Power Company