DONGYING DAYANG PETROLEUM EQUIPMENT CO.,LTD ia a modernized industry,conbined manufacturing and development of seamless steel pipes and drilling equipment,drilling tools, drilling rig.founded in 1983. we have devoting in supplying oil and gas products for more than twenty years.
The main products of our company are the wellhead equipments and oil casings ,pipe lines.

Main business: onshore oil drilling & extracting equipments and accessories; offshore oil drilling & extracting accessories; lighting and explosion proof equipments; special petroleum vehicles; output of petroleum technology & crews, etc.

Main business on Oil pipes and pipe lines
The implemental standards for the oil casings are API﹠5CT; the specifications include from 60.3 to 508; the steel grades include J55, K55, N80, L-80, P110 , C-90, C - 95, T-95 and so on; the merchantable claspers are STC , LTC, BTC , The implemental standards for the oil pipelines are API﹠5L; the specifications include from219.1 to 2032; the steel grades include Gr.B, X42, X46,X56,X60, X70,X80 and so on.but also supply carbon steel pipe,alloy pipe.

South America
Middle East
Europe

API5CT
API5L
API7K
API4F
ISO9001

Oil and Gas Contractor
Large oilfield Supplies