Worm screw lift, screw lift is done through 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. Lifts divided into two transmission gear ratio than that of ordinary (P) and slow (M). JWM worm gear screw jack | endurance high quality (certified) | screw lift provided by the Texas Machinery Co., Ltd. Kun-ho. Texas Haokun Machinery Co., Ltd. (www.sdnljsj.com) (www.sdnljsj.com) is a leader in Dezhou, reducer, transmission, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Endurance leadership with the staff warmly welcome all inquiries negotiations to create a better future for endurance.