タイトルまたは説明

We sell tubing with standard API SPEC5CT, API SPEC 5B.
Tubing is uesd to extracting petoleum and natural gas from a well.
size :**3/8",**7/8",**1/2",4",**1/2"
Steel garde:J*5,L***1,N*0,C*0,T*5,P**0

To ensure quality, we adopt advanced manufacture equipment and techniques. We have four sets of piercing, sixteen sets of cold-drawn machine, two sets of heat treatment furnace, five sets of straightening machine, two sets of hydraulic upsetting machine, two sets of sand blast machine, and four sets of threading machine. For quality inspection, we have Hydrostatic Pressure Test Machine, ECT, UT, Magnetic Particle Flaw Detector, Readable Spectrum Instrument and Impact Test Machine and so on.