WE ARE SPECIALISED IN PRODUCING STEEL BUTT-WELDING FITTINGS INCLUDING CARBON STEEL , STAINLESS STEEL AND ALLOY ***** ANNUAL PRODUCTION CAPACITY HAS ACHIEVED 40 THOUSANDS TONS WITH A ANNUAL SALES OF OVER 500 ***** PRODUCTS HAVE GAINED OF WELL KNOWN CLASSIFICATION SOCIETY CERTIFICATES, PETROLEUM COMPANY PRODUCTS CERTIFICATE AND QUALITY CERTIFICATES OF AMERICAN, CHINA, BRITISH, FRANCE, GERMANY, NORWAY, SAUDI ABRBIA ETC.