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400-6969-449
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Construction Engineering Service Hotline：400-6969-449 Contact Address：NO.26 Juyuan West Rd. Shunyi Dist. Beijing China Email：chaix@honghuienergy.com.cn |
 Email：chaix@honghuienergy.com.cn Mob：400-6969-449 Contact Address：NO.26 Juyuan West Rd. Shunyi Dist. Beijing China |
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