Hebei Jianzhi Casting Group Porcelain Insulator Caps Co., ltd is one of the branch factories of Hebei Jianzhi Casting Group Co., Ltd. It has been devoted in investment for research and development of new technology and grown up to major ductile iron casting insulator caps and clips manufacturer in China. We cover 100% of requirement for high voltage insulators from China Electricity Power Corporation and still more succeeded in manufacture of 40KN to 530 KN insulator caps. We are a major manufacturer for various types of insulator caps and clips in China for 13years and has annual 6,000 tons of production capacity and therefore, we are always ready to meet domestic customer's requirements as well as overseas customers. Also, we assure that our technical institution continues to develop and research new technology for the achievement of the best quality of insulator products for 21st century.