API 7-1 4145 & Kola Yekudhirowa Isina Magetsi
Drill Collar inogadzirwa nesimbi yakadzima uye yakapfava yeAISI 4145H uye inopiswa nehurefu hwayo hwese kuti irambe yakasimba uye yakasimba. Miedzo yakasimba yesimbi inoitwa zvichienderana nezvinodiwa kuti ive nechokwadi chekuti kupisa kunopa hunyoro hwakafanana uye hwakanyanya kuburikidza nekudzika kwebhari.
Landrill inopa mabhora ekuboorera ari muchimiro chakajairwa uye akatenderera kubva pa3-1/8” OD kusvika pa14” OD zvichienderana neAPI, NS-1 kana DS-1 specifications.
5-1203, Dahua Industrial Zone, Nhamba 2 Yunshui Road, High-tech development zone, Xi'an, 710065, China
86-13609153141
