YANCHENG RUNWEI PETROCHEMICAL MACHINERY CO.,LTD,  is the manufacturer with API 6A,API 16A and API 16C Certificate, ISO 9001 Certificate,  is the professional manufacturer of Spacer Spool, Drilling Spool, DSA, Weld Neck Flange, DSA, Check Valve, Gate Valve, Plug Valve, Swivel Joint, Demco Style Mud Gate Valve, etc. Our most advantageous products as belowings: 

OTECO Style Manifold Fitting, size from 2” XXS to 5” XXS

Long Sweep Tee, Long Sweep Full Flow Tee, Full Flow Cross, Long Sweep Elbow 45 Degree, Long Sweep Elbow 90 Degree, 160 Degree Standpipe Gooseneck, 180 Degree Standpipe Gooseneck, etc.

Drilling Spool, Spacer Spool, Double Studded Adapter Flange, etc.

Demco Style Mud Gate Valve, Mud Manifold, Choke Manifold, Plug Valve, Style 10, Style 50 Swivel Joint, etc.

With API 6A,API 16A and API 16C Certificate, ISO 9001 Certificate, all our products is 100% inspection as per API Standard with full set of test report,  and our after-sales teams are 24 hours online for you to give you the best service.  Now call us or send us an inquiry, waiting for you.