1. Compact structure, level of break-brake vertical fracture after do not take up space 2. Terminal blocks with high strength, good liquidity and excellent anticorrosion performance 3. The arrangement 4. 30 micron silver conductive parts processing, to ensure good 1. The contact resistance and compact structure, level of break-brake vertical fracture after do not take up space 2. Terminal blocks with high strength, good liquidity and excellent anticorrosion performance 3. The arrangement 4. 30 micron silver conductive parts processing, to ensure good contact resistance