... to moveHDPE pipe: with low price, light weight, never get rusty, but low pressureUHMWPE pipe: High pressure(molecular weight more ... than 3million), light weight, never get rusty, long life use, and also little Pollution discharge in ... Guinea, Nigeria, Paraguay, Indonesia, Australia and so on. Q: Can you produce large diameter UHMWPE pipes for slurry dredging project?A ...