O-ring, x-ring, all kinds of oil seal.
We can supply 9 regular sizes plus customized sizes.All of oil paintings are reasonable in price with good quality.
Zty5120tgf cementing foam-generator truck Zx-a lightening admixture (cementing fine microsphere); snjs-81 oil well cement filtration reducer; snrw-82 oil well cement heat stabilizer; Snjz-83 heavy weight additive; snwj-86 ultra-fine slag powder; snjz-88 anti-friction agent.
