Our company have been getting below certifications since year 1998

Certification
 ISO 14001: 2015 Certified By TUV
 ISO 9001: 2015 Certified By ECM
 PED Certified By No. 1N171228.HHPQD04
 BS OHSAS 18001: 2007Certified By TUV
 Safety production standardization management Level II certificate
Excellent Safety Record with zero lost time accidents since 1988
Environment Control Achievement: Convert coal gas furnace to natural gas& electric furnace for all GJY heating furnaces.
 All reputation third party inspection in 3.1 and 3.2, BV,SGS, TUV,ABS, GL, Intertek etc

GBT 24001GBT 19001
GBT 45001ISO 9001
ISO 45001ISO 14001
ISO-ALLOY-PIPECNPC-APPROVED
ISO-ALLOY-PIPECNPC APPROVED
API-ALOOY-FITTING-HUITONGSABIC-APPROVE-PIPE
API ALLOY FITTING HUITONGSABIC APPROVE PIPE

SGS-HONGCHENG-ALLOY
SWCC-APPROVEDSGS HONGCHENG ALLOY

ISO HONGCHENG

TUV-AUDIT-ALLOY-PIPE
ISO HONGCHENGTUV-AUDIT-ALLOY-PIPE