... you need4. Application: Telescope assemble pipe, Farm drainage waster water pipe hided in the earth or ... 2mm to 200mm. The shape has round pipe, square pipe, unique shape according to your design or ... strong bag depends on the clients' request, pipe, profile, connector, packed in carton or wood ... ,tooWHAT ARE PRODUCED?PVC granule/material, PVC pipe, PVC profile, PVC connector/injectionWHY YOU CHOOSE ...