2015 High-density polyethylene HDPE silicon core pipe Plastic raft High thermal conductivity (HCEP) High-voltage resistant power cable sheath vertical power cable sheath (LSDL) Anti-aging and anti-impact self-cleaning polypropylene (TFPP-R) composite pipe
2016 Thermoplastic composite pipeline for buried gas station
2017 Nuclear safety level 3 and D HDPE pipeline
2018 High pressure resistant polyamide PA12 pipe for gas
2011-2014
year 2011 FPPE non-excavation special sewage pipe (dn710-dn1200)
2012 Polypropylene for underground coal mine (MKPP) Pipe PE-RTII Directly Buried Thermal Insulation Heating Pipe Polybutene pipes for hot and cold water
year 2013 High toughness polyethylene PE100 (RC) water supply pipeline High toughness polyethylene PE100 (RC) gas pipeline Mine tunneling air duct
Year 2014 Polyethylene (PE) nano self-cleaning antibacterial pipe Railway special plastic alloy sheath (HTDL) GXPE hot spring special pipeline
2007-2010
2007 PP-R nano antibacterial special pipe
Year 2008 HGPChemical pipeline
Year 2009 Polypropylene (HJPP) silent drainage pipe (leading domestically) FPPE non-excavation special sewage pipeline (domestic leading, local standard formulation, DB35/970-2009) Polyethylene PE100 trenchless gas pipe (obtained invention patent)
year 2010 Large-caliber polyethylene PE100 trenchless water supply pipeline (obtained invention patent) Polyethylene pipe for underground coal mine
2001-2005
2001 Green and energy-saving PP-R cold and hot water supply pipeline (domestic advanced)
year 2002 Green environmental protection and energy-saving polyethylene PE80, PE100 water supply pipeline (domestic advanced) polyethylene PE80 gas pipeline (domestic advanced, national industry standard revision, GB15558.1-XXXX) finally did not participate in the revision work
Year 2003 MPP trenchless power cable sheath (leading domestically, obtained invention patent)
year 2004 Landfill HDPE leachate pipeline and biogas pipeline (industry standard revision, GT/T371-2011)
2005 Polyethylene (PE) pipeline (industry standard revision, MT558.1-XXXX) used in underground coal mines has not been established successfully buried reinforced polypropylene excavated solid wall drainage pipeline