3D panel machine: 1. Special designed chain system 2. Accurate location, welding firmly 3. Low lack welding rate Xuelong 3D panel machine line XL-ZH-1200 series are very famous in China, which are warmly welcome by foreign customers. Xuelong 3D panel machine line adopts European Technology, designed and manufactured by ourselves. The followings are main advantages:--Unique gasbag systemIt is ...