... ,Dia40mm,Dia50mm,Dia75mm,Dia110mm,Dia160mm,Dia200mm,Dia250mm. 1)Plastic pipe for urban/rural Drainage2)Material: UPVC3)Available ... Products 1.drawings or samples providedGet the drawings or samples from our customers2.Research & DevelopmentThe quality, mold life, arrangement ... improvement of products after batch production; getting products feedbacks from customersOur working time: 8:00-17:00 (BEIJING ...