Company Profile Weihai Lidaer Machinery Co., LTD. is located in Lingang Technology Industrial Park Weihai. It is an integrated enterprise with its own intellectual-property rights. We are experts on production and sales of ground screw and its installation, electric shear wrench, electric torque wrench etc. LIDAER has focused on the production, research and development of ground screw for quite a long time. We work out DLS ground screw, manual ground screw driver, electric screw driver, hydraulic track screw driver successively and obtain many national patents. LIDAER adhere to the such principles produce value by constant technology creations and win customers trust and cooperation by constant growing creating ability, outstanding ,flexible customization capabilities and increasingly improved delivery capability. In the future, LIDAER will focus on our customer's satisfaction and success, keeping forever innovating spirits and confront the rapid changing challenge of the world.