... ISO 14001:2004. 4) Product range:a) Round tube and embossed tube : O. D. mm9.5 , 12.7 , ... Type : Manufacturer,traderc) Number of Employees :50 people d) Factory Size : 46,000 square meters)12) Trade ... Informationa).Payment Term: T/T ,L/C ,D/P,D/A, Western Union 30% in advance ,The balance ... procession: Pickling, Rolling, Striping, Making pipes, Polishing.d).Produce Standard: ISO 9001:2008, ISO 14001:2004 ...