The copper triangle valve is preferred to view the test report;

1. In the case of sufficient light, the triangular valve can be placed in the hand and then observed. The surface should be bright as a mirror, without any oxidized spots or burn marks; while no close-up, no blistering, no leakage Plating, uniform color; touch no burrs, sand particles by hand; press the surface of the faucet with your fingers, the fingerprints quickly spread, and it is not easy to attach scale.

When consumers purchase plumbing products, they should pay attention to the salesperson's report for the current year and issue detailed bills;

Threaded Rod

Full threaded rod produced by wire drawing and thread rolling

threaded rod

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