... : (CERTIFICATION: CE/SGS/ISO9001-2000) We are specialized in making Electric Chain Hoist, wire rope hoist, chain block, and lever block ... to 25TON, lifting height, from 3m to 20m. WOKAITE BRAND1. Electric motor partial outer coverThey are made of high strength aluminum ... , 200-600v, 50HZ10. Noise (single/ double speed): 81dB best quality electric chain hoist with CE