E-mail:
sales@haihaogroup.com
Location?
Corporate vision
to become the pipeline industry Toyota
Corporate mission
to enhance the quality level of Chinese manufacturing
Business
goals domestic industry first
Home
About Us
Certification
Company Profile
Company strength
Partner
Why Choose Us
Products
Butt welded pipe fittings
Forged Pipe Fittings
Flanges
Steel Pipes
Other Pipe Fittings
News
Company News
Industry News
Reference
Fittings standard data
Contact us
Quality
 Home
»
Products
»
Flanges
»
Weld Neck Flange
JIS B2220 10K Weld Neck Flange
JIS B2220 5K Weld Neck Flange
JIS B2220 Integral Flange
JIS B2220 Weld Neck Flange
DIN 2631 ASTM A181 PN6 4INCH RF Weld Neck Flange
BS 4504 A181 PN16 Black Paint RF Weld Neck Flange
B16.47 Class 150 22″-48″ ASTM A182 F304 Weld Neck Flange
EN1092-1 PN10 Carbon Steel WN Flange
Duplex Steel DN15-DN4000mm Weld Neck Flange
ASTM A694 GR F52 1500LB 8inch Weld Neck Flange
ANSI/ASME B16.47 Long Weld Neck Flange/Integral Flanges
ASME B16.5 ASTM A694 GR F52 1500LB WN FLANGE
ASME B16.47 RF WN FLANGE
P250GH NP10 RF WN FLANGE
weld neck flange tongue and groove stainless steel pipe
weld neck flange carbon steel rf SGS certified
carbon steel rtj weld neck flange
DIN WN20-300RF YELLOW PAINT FLANGE
ansi/asme 316l weld neck flange
Integral Flange(Long Weld Neck Flange)
Weld Neck Flange
astm a105n b16.5 carbon steel flange
carbon steel materials weld neck flange