... pipe:spiral welded steel pipe insulation layer Widely used in the urban centralized heat supply, warm room, coal, ... other industries’ anti-corrosion insulation work.1.Degrees:30°,45°,60°,90°2.Medium temperature: 50°C—140 ... 1 day, the buyer should pay T/T 30% in advance, and the balance should be paid after ... my honor to be on service of you in near future.Contact person: Hebe MaTel:86-15232525213Fax ...