... drainage waster water pipe hided in the earth or on the earth surface, electric OEM plastic assemble pipe, and ... square pipe, unique shape according to your design or practical use. OEM/ODM is accepted.Any color ... Mold, Each production line you can get photo or video to make you rest your heart.4. ... request, pipe, profile, connector, packed in carton or wood pellet according to your need.5. Delivery: ...