LHS Rock Tools Co. Ltd makes high quality of hydraulic drifter, with the introduction manufacturing technology from Emico-Secoma in France ,Since 1986 LHS has makes hydraulic drifters to mass production  The products including two types  hydraulic drifter for mining and hydraulic drifter for Furnace tapping .the products as the main drifter type of drill rig and furnace tapping equipment are very popular in domestic market also export to overseas market , It maintains leading position in quality capacity after service level of aggregation , the products with high cost per meters as the foreign brand , The main products are HYD 200 HYD300 and HYD350 .