METALLIC TUBES METAL ABLE

Brand	Owner	Address	Description
PHYTO SHAFT	DESINSECTISATION MODERNE	34, rue du Contrat Social 76000 ROUEN France	metallic tubes of metal able to be reeled out for tunneling through powdered material;flexible non-metallic pipes or flexible tubes able to be reeled out for tunneling through powdered material;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A zinc galvanizing method for a single surface of a metal tube includes a first step of preparing metal tubes, a second step of galvanizing the metal tubes, a third step of acid washing, a fourth step of washing the metal tubes with water, and a final fifth step of drying the metal tubes. Then only an inner surface or an outer surface of meal tube is galvanized for resisting corrosion. The metal tubes according to the invention can save the subsequent expenditure required for maintenance and treating rust, and possible to prolong their service life, and the method can be applied to steel tubes of any shape or size.