Gulf Vision Painting Works in the 2011. Gulf Vision Painting Works providers of metal finishing equipment and services. Since its inception the company has maintained its reputation as a company dedicated to providing exceptional service and results to its customers. Powder-coating is commonly used for stainless steel pipe railings. ... The spraying effect of powder spraying is superior to the conventional spraying process in terms of mechanical strength, adhesion, corrosion resistance, resistance to aging, cost-effectiveness, etc.