The Chinese manufacturers have over fifty years of experience in producing oil production equipment. Since 1980, China has introduced many manufacturing technologies from US, including SPM high-pressure fluid control product manufacturing technology, 1988-1992 Western Company of North America fracturing unit manufacturing technology, 1988-1992 Cooper OPI fracturing pump manufacturing technology, 1988-1992 FMC high-pressure swivel joint manufacturing technology, 1992-1994 LTV sucker rod pump manufacturing technology, 1984-1991 ICO sucker rod coating technology, 1995 FRP (fiber glass reinforced plastic) sucker rod manufacturing technology, 1990-1997 |