Strengthen the shelves in accordance with the needs of the quarries and mines users , the new design provides a more smooth transition fillet and reduces stress. Increased the cap on the diameter of Boom and offer a better protection for boom INA bearings.

·The fastening bolts to the hopper using a self-locking nuts, four solid design ,and has increased stability, make the view door greater and more robust.

·5 arm design is adopted under the body frameto instead of the previous 3-arm, so that eccentric system can get more evenly stronger support,the overall strength has been greatly improved.

·View on shelves body hatch in place of steel and the use of polyurethane with a wear indicator.

·In accordance with the requirements of quarries and mines customers, moving cone head and spindle used cylindrical surface with a higher intensity.

·Deepened the Depression on boom, more user-friendly materials piled up to form the protection cap on the boom.

·Shelves can be equipped with monitoring body on Boom INA Bearing temperature sensors, to protect Boom INA Bearing, in case of INA Bearing serious damage.