日韩人妻一区二区三区久久,亚洲国产另类久久久精品黑人,日韩亚洲欧美一区噜噜噜,大香伊蕉国产最新视频

Mobile bulk material stacker was developed by songbang and built and installed by songda, solving the problem of high difficulty of traditional bulk materials stacker.In addition, the product has passed two invention patents and two new patents, which solve the problems of small and medium-sized wharves.This product is simple and flexible in operation and can be operated by remote control. It can rotate in place, go straight, go backwards and walk horizontally.One equipment replaces many excavator piles, saving more than 60% of efficiency.