Dongguan Dalang Heights Spring Factory is a manufacturer specializing in the production of precision springs, spring for more than 12 years of production experience. Manufacturers of springs include (battery spring, on the 3rd, 5th, 7th battery positive and negative springs, electrical battery springs, air conditioning remote control battery springs, TV remote control battery springs, water heaters remote control battery springs, professional spring spring production of battery manufacturers preferred Heights. Heights spring production of batteries have good conductivity, long life, high temperature characteristics. and after the salt spray test up to 96 hours of battery spring Heights produce low priced and good quality , fast delivery, best production Dongguan factory spring.