Profile: Hebei Shengde Baolong International Trade Co., Ltd. is a pipeline equipment manufacturing company. Our products include concrete pumps, concrete pump pipes, concrete pump elbows, and concrete pump reducers. Concrete Pump Elbow,bend pipe is quenched and carried out carburizing chemical treatment on the inner wall. So it has high wear resistance.Twin walls elbow the inner layer is made of high hardness wear resistant alloy stll by hear treatment and the outer tube is high toughness and low hardness and low carbon steel,which can guarantee the construction safety.