Qingzhou city sand-digging machinery factory is specialized in large and middle size machinery develops, the medium excavation machinery enterprise. This factory technical force is abundant, the production history is glorious, at present produces the W s series digging vessel specially, the W g series excavator, W S T digging vessel,W S T the E iron vessel best-selling in northeast three provinces, Henan, Hebei, Shandong, Gansu, Anhui, Sichuan, Hubei and so on several provinces, the city, the autonomous region, obtains the user high praise, this product has the operation nimbly, quality reliable, benefit efficiency high, price reasonable, the service convenient, the post-sale service is good and so on the characteristic, widely applies in the sandy plain picks the sand, the river course cl