galvanized pipe

Material Test:
1. All of our material are purchased from famous mill factory to assure the quality
2. A mill certificate issued by the mill factory with stamp and signature must be provided before unload the material in our factory; otherwise we have our reason to refuse the material.
3. Before put into production, all the material must pass the chemical and physical analysis to make sure that they have met the requested strength and component.

Production process:

As an BV, ISO, SGS approved supplier in China, we have more than 20 years produce and export steel pole ,and we can assure the pole we offered is of sound quality which made from qualified material with our professional workers and advance equipment.