产品优势 / PRODUCT SUPERIORITY 一体成型、结构紧凑、整体坚固耐用；使用范围广、耐磨性强、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，高度密封，使用寿命长； Integrated forming, compact structure, solid and durable overall; Wide range of use, strong wear resistance, force direction is not constrained; Large load, steady rise, safe and reliable, labor saving; Cast iron body, lacquered shell, highly sealed, long service life; 参数表 /PARAMETER LIST
