... )Certification: ISO 9001:2008, ISO 14001:2004. 4) Product range:a) Round tube and embossed tube : O. D. mm9.5 , 12 ... grit, 320grit , 240 grit, No.6 7) Term of payment : T / T ,30% in advance ,the balance 70% to be paid before ... , excellent mechanical properties. 18)Trade Informationa).Payment Term: T/T ,L/C ,D/P,D/A, Western Union 30% in advance ,The balance ...