描述
The company upholds the philosophy of Be No.1 in quality, be rooted on credit and trustworthiness for growth, will continue to serve old and new customers from home and overseas whole-heatedly for JINAN ZHANGQIU AIGUO forged standard ANSI/DIN/JIS/BS/UNI/AS2129/GOST12820-80/12821-80/EN1092-1/GB/ISO carbon steel forged flange
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