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After sales service: 90, No. 1, poheng street, Geleshan Town, Shapingba District, Chongqing.
Executive director, Dr. longsiyuan
Fax: 023-65507557
Cell phone: 013608378425 (Long Siyuan)
E-mail: Cqsinost@163.com

After sales service: 90, No. 1, poheng street, Geleshan Town, Shapingba District, Chongqing.
Phone: 023-65502113
Fax: 023-65507557
After sale service department:
Contact: Gao xiang (018623050435)
E-mail: cqsinost2002@163.com
Technical director of the company: Executive Director Dr. long Siyuan (013608378425)
E-mail: Cqsinost@163.com

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