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sili,Jiyuan,Henan,China China
The lifting subs of ZZHMM are made in strictly conformity with SY/T5699-95 standard from high-quality CrMo alloy steel, meeting API Spec 7-1requiremen
Metallic bubble lining mailers 1 bubble lining 2 recyclable 3 shock resistance 4 OEM(7 years). 5.cheap 6.useful 7, light and save posta
1. Material: AISI 4145H Mod Alloy steel, Non magnetic steel, etc. 2. Types: Drill String type a...
Length:1, 000mm ~9, 000mm; Diameter:76mm(3)~ 146mm(5-3/4); WallThickness:5.5mm ~ 8mm; Connection Thread:2 3/8, 2-7/8, ...
Drill Collar is made from rolled or forged AISI4145H chrome-molybdenum steel. The content of chemical composition and microelement is controlled effic
Persona de contacto yuan britney
Dirección sili, Jiyuan, Henan
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