Freet has 120 sets of manufacturing machines for pumping unit, and has an annual capacity of 2, 500 sets.
freetqd ( at) gmail ( dot) com for more details. With the idea of....

TUBING annual turnover: 100, 000 tons

freetqd ( at) gmail ( dot) com for more details. There are three steel grades ( J55, N80 and P110) , two categories ( nonupset and external upset....

Freet ERW production line has the annual capacity of 120, 000 ton of every kind of ERW pipe with outer diameter from 4 1/ 2" to 14" , and the largest length to 15m. The products....

Freet gained the right to use the API logo in 2004. freetqd ( at) gmail ( dot) com for more details. This series products use high quality low-carbon alloy, forged by patented....

Freet now has four production lines for casing specially used by petroleum, with an annual capacity of 120, 000tons. As adopting the most advanced threading machinery, numerical....