Hello ! We are the supplier of "LLP" from Kazakhstan. We look at the best factories for the production of seamless steel pipes (GOST 632-80) all over China with the best price and best quality to satisfy our customers. . Please provide the Commercial offer with a seal and GOST quality certificates. Casing string: 324 mm - 9.5 mm wall thickness, Class D, OTTM, with couplings and protectors - 3000 meters Please give us the EXW price in USD With respect TWeChat