pvc corrugated pipe manufacturers | Xiong Wang Thai (certified) | Guangyuan pvc bellows provided by Xiong Wang Thai Plastic Products Factory. Xiong Wang Thai Plastic Products Factory (www.wangtai668.com) is specialized in the "plastic tube, MPP power tube, CPVC pipe electricity, irrigation pipes, HDPE pipes, p" of the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Fengjing Li. Familiar with the drawings, according to the design standards of a given point and the coordinates of the control points measured, positioning, actinomycetes, citing provisional standard point and control pile pvc bellows, certified by the Engineer for review before proceeding with the approval of the Commissioner of the trench excavation. Projects using excavators excavation, trench excavation to strictly control deepened and pvc pipe centerline Hebei bellows, mechanical excavation left margin of 20cm from the bottom to the design of artificial clear trough elevation position Xiong pvc bellows and will lead to the bottom pile mileage. Strict control of the trench excavation grading coefficient pvc bellows standards, according to a grading factor designed to dig enough width, should pay attention to the trench excavated soil conditions, when necessary, ask the resident supervision and design on behalf of the Party and the scene to determine the grading coefficient, to prevent landslides slot side. Wang Xiong Xiong Wang Thai Thai Plastic Products Company production, sales of complete plastic pipe and plastic pipe fittings of different specifications, including PVC-U pipes and fittings PVC trunking, line pipe PP-R, HDPE pipe, corrugated pipe, Pipe PVC-C power jacket pipe PVC \ PE communication channels