产品优势 / PRODUCT SUPERIORITY 自重轻、体积很小、方便携带；使用范围广、受力方向不受约束 ；承载大、上升平稳、安全可靠、省力；全铸铁机身，烤漆外壳，套筒内置限位警示线，紧紧咬合的精钢棘轮组合。 Light weight, small volume, easy to carry;Wide range of use, force direction is not restricted; Large load, steady rise, safe and reliable, labor saving;Cast iron body, paint shell, sleeve built-in limit warning line, tightly clenched steel ratchet combination
