... cost HDPE pipe and pipe floater : HDPE pipe applied to sewer system/pe drainage pipe/pe 100grade pipe ASTMHigh-density polyethylene pipe ... , ISO14001 certificates, high quality and competitive price.product quality refers to ISO4427, DIN 8074, ASTM D3035, BS-6437, GB/T13663- ... of HDPE pipe:1.City and town water supply system or project2.To transport natural gas & coal gas in daily life3.Transport ...