DVGW

DVGW

CNAS

CNAS

GOST

GOST

ISO 9001

ISO 9001

ISO 14001

ISO 14001

ISO 18001

OHSMS 18001

CE hdpe pipe for water

CE hdpe pipe for water

CE HDPE pipe for gas

CE HDPE pipe for gas

CE PPR pipe

CE PPR pipe

CE PEX pipe

CE PEX pipe

CE PERT pipe

CE PERT pipe

ISO4427

ISO4427

KTW-R200p-with-green

KTW-R200p-with-green

China environmental label product certification.

China environmental certification

green brand start

GREEN BRAND STAR

Enterprise credit rating

Enterprise Credit Rating

High-tech enterprise

High-tech enterprise

top 10 enterprise

Top 10 enterprise