BEIJING GUOHUA TECHNOLOGY GROUP LTD. Address: No.9 Longyue St.,Mapo,Shunyi District,Beijing,China 101300 Email: ghkj@wipsl.com Tel: 十86-010-69402082 Fax : 十86-010-60498424 Tangshan Guohua Technology Corporation Address: No.8 North-Ring Rd. West, High-Tech Industrial Park, Tangshan, Hebei, China 063020 Email: ghkj@ghkj.cn Tel: 十86-315-5913666 Fax : 十86-315-5913411 
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