coupling of multifunction

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china manufaturer api threading tubing and casing couplings of octg

1.Grade: J55, K55, N80, L80, P110 2.Thread: NU,EU,STC,LC,BC 3.Standard: API 5CT 4.delievery timely.

ASTM Standard flexible sizes of coupling for pvc pipes(3 inch)

Hygienic, nontoxic, no secondary pollution Corrosion resisting Big water flow Convenient in handling

A couple of mugs for person in the traveling way

A couple of mugs for person in the traveling way 1.100% quality Guarantee 2.Various Color and Size 3.OEM welcome