Hydraulic cylinder-a thil siam hian chakna sang tak, toughness sang tak, hardness sang tak, leh corrosion resistance a mamawh a ni. Chuvangin, welding material hman tlangpui chu E5015 welding rod emaw E7018 welding rod emaw a ni. Heng welding rod pahnih hian chakna sang tak, wear resistance tha tak, leh corrosion resistance chak tak an nei a ni. Welding material dik tak thlan hian hydraulic cylinder quality sang-quality a tichiang thei.
