Established in 1990, we are the only listed specialist lead-acid battery manufacturer in Taiwan. In addition to our first factory in Taiwan, we have two more modern production facilities in Vietnam. With a total developed area of 252,000m2, each has passed ISO9001, TL9000, ISO14001, ISO17025, and OHSAS18001 certification. Through precision manufacturing and using our quality management system, all sealed batteries distributed in our own brand “LONG” have passed UL accreditation. In order to cope with the high-quality requirements of the EU security monitoring market, we have also passed VdS certification of Germany. Our products are favored and recognized by leading global enterprises at home and abroad for their quality, high cost-performance ratio, and reliability. Our products are offered for a wide range of applications: multipurpose, cycling high-power, electric car, deep-cycle, renewable energy, and solar energy.