Qingzhou Hengri Metal Products Co., Ltd. Email：master@hansing.com.cn Add：1809 Tokyo Road, Economic Development District, Qingzhou, Shandong Url：www.hansing.com.cn p.c：262500
Qingzhou Hengri Metal Products Co., Ltd.
P.C:262500
Email: master@hansing.com.cn
Url：www.hansing.com.cn
