Non- magnetic drill collars
According to API Spec.7 and SY/ T5144, the non-magnetic drill collars are made of low carbon stainless steel, which are researched and developed....

Integral heavy weight drill pipe
According to API Spec.7 and SY/ T5146, integral heavy weight drill pipe is made of alloy steel, and formed by hot forging as a whole and fully heat....

Spiral drill collars
Based on API Spec.7 and SY/ T5144, the spiral drill collars are made of 4145H modified chromium  ¨ Cmolybdenum alloy steel. All threads are phosphated, copper....

Drill collars
According to API Spec.7 and SY/ T5144, drill collar is made of AISI 4145 modified chromium- molybdenum alloy steel. All threads are phosphated, copperized or cold....

" Metallurgy roller
" Our company began to produce various kinds of cold rollers, cold roller forgings in differing material and specifications in 1990s. In order to meet the....

Corrugated roller
Corrugated roller is the key component of packing printing machines. Our corrugated roller is made of refining molten steel, and then forged and machined....

Pipe mould , which was made from 21CrMo10 or 20-30CrMo , is the most important tool in the process of spheroidal cast iron pipe dies .we provide all kinds of pipe mould from DN80....

High pressure boiler tube
According to ASME and GB5310-95 specifications, high pressure boiler steel tube is first made of steel from basic arc furnace, and then the forging is....

" precision forgings
" Forging system is equipped with the large-scale equipment, including 1400t rotary forging machine, imported from Austria, 2200t hydraulic forging press....