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Straight thread connection strength such as joint reinforced cohesion in the 90 s of the 20th century is the world’s latest trend,
Straight thread connection strength such as joint reinforced cohesion in the 90 s of the 20th century is the world's latest trend, joint quality stable reliable, high cohesive strength, equivalent to that of sleeve kneading bridging joints, and also has the taper thread ...Read more
