... SERVICE PERSONAL WITH MORE THAN TEN YEARS FOREIGN TRADE EXPERIENCES,WHICH GUARANTEES THE QUALITY OF PRODUCTS AND MEANWHILE ENSURES THE ... SHENGLI OILFIELD. RELYING ON THE LOCAL ADVANTAGE, THE COMPANY WHICH HAS BROAD SUPPLYING OF GOODS AND PRICE SUPERIORITY HAS ENGAGED ... , DRILLING PIPE, VARIOUS COUPLING OF OIL PIPE, SUCKER ROD, WHICH ARE MAINLY EXPORTED TO RUSSIA, CENTRAL AND SOUTH AMERICA, AFRICA, WEST ...