Liutong Plastic
Memorabilia
2024 Year
UL651 compliant conduit & elbow & UL514 fittings Project officially Kicked off in July 2024
2023 Year
Secured the ISO45001Certification
Secured the ISO14001Certification
Successfully developed the fully automatic production line for sweep bends
2021 Year
Secured the Best Environmental Practice Certification
2020 Year
Secured the ISO9001 Certification in Apr 2020
2019 Year
PVC-DWV Pipe & Fittings Secured the UPC Certification in Apr 2019
2017 Year
PVC-DWV Fittings， Potable water fittings Secured the NSF Certification in Mar 2017
2013 Year
SAI Global grants StandardsMark Licence For Conduits and fittings for electrical installations In Oct 2013
2006 Year
Dec,2006. PVC resin got USA UL certification.
Nov,2006, PVC resin passed ROHS test.
Feb,2006. PVC expanded sheet was developed.
2005 Year
In Jun,2005. PPR water supply pipes &fittings was developed.
2004 Year
In Jul,2004,To succeed in developing series of fire-stop product, including various of fire-retardant coating &fireproof bushing.
In May,2004, Transparent plastic shutters was developed successfully.
On 22nd,Apr,2004. To get the right of entry into national power cable.
2003 Year
In 2003. Some of fittings got USA UL product certification.
On 18th,Sep, 2003. Build-in plastic assembled case got the certificate of national compulsory products certification.
In Jun,2003, To succeed in developing C-PVC tube for protection of high Tension cable.
On 15th,Jan,2003, To get ISO9001 Certificate of the system of international quality control certification.
2002 Year
In Oct,2002, To become a member of pipeline committee.
In May,2002 , Fire-stop device for rigid PE drainpipe was developed.
2001 Year
On 31st,Oct,2001. To get the patent certificate of annular encircled plastic pipe with mid level outlet.
On 25th,Nov,2001. To get patent certificate of Hollow pipe.
On 5th, sep. 2001. To get the patent certificate of silencing plastic drainpipe.
Mar. 2001. Spiral pipe, hollow spiral pipe together with sound-reducing tee was launched for sound deadening of drainage system in high-rise.
2000 Year
Earned a title of outstanding science and technology enterprise in Zhejiang province.
Be selected as recommend product of national construction.
1999 Year
Liutong Plastic-lined steel multiunit tube, developed by Liutong CO. with the investment amounted to RMB 5 million, has reached national advanced levels.