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| Copyright (C) 2007 Heyi Steeltube Industry Co., Ltd. All rights reserved. |
| Tel：0086-28-84516373 84513668 84555178 84551078 84514518 Fax：0086-28-84529432
Address：No.68, Longzhou Road, Chengdu, Sichuan, China. Code：610021 |
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| Copyright (C) 2007 Heyi Steeltube Industry Co., Ltd. All rights reserved. |
| Tel：0086-28-84516373 84513668 84555178 84551078 84514518 Fax：0086-28-84529432
Address：No.68, Longzhou Road, Chengdu, Sichuan, China. Code：610021 |