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Copyright& Langfang Greentsing Pipeline Technology Co., Ltd All rights reserved Add: No.8 Taiyuan Road, Jingbin Industrial park, Wuqing District, Tianjin. Tel: 86 22 22190663 Fax: 86 22 22190662 Add:601 Room, Tower A Shine Fortune Plaza Building, No. 109 XinhuaRoad,Guangyang District, Langfang city, Hebei province, China E-mail£º lq@pigging.cn Tel: +86 316 521 8888, +86 316 521 8889 Fax: +86 316 521 8887