PETROTEX OIL&GAS EQUIPMENT LIMITED
ONE STEP OTCG SOLUTION EXPERT IN CHINA OVER 20 YEARS，specializing in premium connections within the 1.66-13 3/8" range of tubing and casing. Also we excel in producing marine risers from 16 to 48 inches in diameter. Obtain API 5CT, API16F,GOST, ISO9001 and other approval access certificates from the domestic overseas major oil fields.