Gold Index: 333
Hebei baiheng metal mesh products co., ltd [China (Mainland)]
Business Type:Manufacturer Country/Region: China (Mainland)
spiral drill collar
1.O.D: 2-3/8"-20" 2.Grade:J55 K55 N80 P110 ect 3.Thread :NU EU STC LTC BTC 4.Standard: API 5CT
2011-05-30