From 80¡¯s, we started supplying high-voltage swich springs for lots of high-voltage swich industries, such as Wafangdian High-voltage Switch Plant, Xi¡¯an High-voltage Switch Plant, Beijing Switch Plant, Taian High-voltage Switch Plant, Dalian Zhengxing Switch Plant, Dalian Electric Power Bureau Switch Plant, Xiling Power Distribution Equipment Co.,Ltd, Mitsubishi Motor Switch Co.,Ltd so on. Main products are as below: 8KA.281.657£D, 8KA.281.664 open-close spring, 10£VPR air-breaker spring, CQ6£I air-controlled component 8KA.218.653 open-close spring, execution part instruction spring, taper buffer spring, reset spring and so on. As we are supplying products to these corporations, we are familiar to their equipment conditions and have adjusted the geometry parameter of the open-close spring. After testing, the result is very perfect and solved the problems aroused by the creep and stress looseness that the spring can¡¯t open or close according to the instruction. Thorough this method, we can ensure the safety of the electricity net and greatly improved the life span of the spring. After check and examination by the users, the products are all according with the design drafts, standards and technology protocols.
In 2002, we supplied switch cabinet springs used in Changjiang Sanxia project for Switzerland ABB Co.,Ltd and the products was high evaluated by the supervisor of their company.
In 2003 we also trail-produced ZW£72.5 open-close spring for Wafangdian High-voltage Switch Plant and the sample has passed the examination of Japanese experts. We are manufacturing the products with small scale and the market foreground is very optimistical. These days we designed open-close spring used in spring outfits for Mitsubishi Motor Co.,Ltd and the sample has passed the examination. |
