The series worm screw lift has a different structure type and assembly methods, hand-cranked screw lift, ambient temperature between -20 ~ 100 ℃, screw lift, lifting height according to user's demand. Worm screw lift, worm screw lift is done using the worm gear screw lift, down, forward, flipping and other functions, is a basic lifting components, it has been listed as the JB / T8809-1998 standard. Screw lift speed endurance _ _ durable electric screw lift provided by the Texas Machinery Co., Ltd. Kun-ho. Screw lift speed endurance _ _ durable electric screw lift Texas Haokun Machinery Co., Ltd. (www.sdnljsj.com) (www.sdnljsj.com) this year introduced a new upgrade, the above picture is for reference only, please dial this page or on the telephone picture to obtain the latest information, contact: Liu Zhenhua.