DALIPAI.DALIPAI was established in 1998 and is headquartered in Cangzhou, Hebei Province. As a high-tech enterprise, it specializes in the R&D and manufacturing of oilfield tubular products. The company operates a fully integrated intelligent production line spanning from billet manufacturing to finished product processing. Its product portfolio includes 2 3/8″-20″ high crush-resistant, corrosion-resistant oil country tubular goods (OCTG) and shale gas development pipes, featuring industry-leading technology. Holding over 20 international certifications including API and ISO, its products serve major domestic oil and gas fields while exporting to more than 70 countries. Additionally, the company supplies high-end energy sectors such as wind power and nuclear energy.