... N-80, C-75, L-80, C-90, T-95 Process: ERW and Seamless Standard: API 5CT Certificate: NUE, EUE. Out ... based paint End: Beveled, Square cut. And pipe protection cap especially for casing and tubing. Heat treatment: Normalized, Quencher +Temper ... markets: our products are exported to South and East Asia, Middle East, Europe and American, and enjoyed a good reputationContactLousia LouMSN : lousialouSKYPE ...