... and roof.5.Cost saving and transportation convenient.6.Anti-rust and normally more than 25 years ... tickets, accommodation, wages will be borne by buyers.6. Q: Since when your company started producing this producer? ... , sound insulation, fast construction and so on.8. Q: Is the panel fire rated, if so, what ... for test and get approval by themselves.10. Q: I need samples for customer approval, will this ...