... Business Cooperation Invitation PP-R ,PVC-U,HDPE and PE-AL series pipes are in promotion for your referenceHello ... to our main products include PP-R ,PVC-U,HDPE pipes and PE-AL series. because we are ... 300 special workers; annual production capability 300 million u.s. dollars; registered capital 50,800,000.00 ... request dimension and quantity.2. Can you offer sample pipes? Yes, we can. But as usual, the ...