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	TRESNA ONLINE STORE Telephone: 800-717-5818 ( United States and Canada) 86 - 18977338687 ( Other Countries) Http://www.Tresnainstrument.com
	SALES COMPANY IN GERMANY Guanglu Europa GmbH Kruppstr. 82 - 100 45145 Essen, Germany Telephone: +49 201 2486350 FAX: +49 201 2486711
	TRESNA HEADQUARTERS AND MAIN FACTORY Guilin Guanglu Measuring Instrument Co., Ltd. Address: No.5, Guilin Hi-Tech Industrial Zone , Guilin, Guangxi Province 541004, P.R. China Telephone: +86 - 773-5810020 FAX: 86-773-5807120
	FACILITY IN WUXI Wuxi Guanglu Measuring Instrument Co., Ltd. Telephone: 86-510-88151078 FAX: 86-510-88152298 Address: Address: NO.90, MeiYu Road, Mei Cun, Wuxi Province 214028, P.R.China
	SALES COMPANY IN SHANGHAI Shanghai Guanglu Measuring Instrument Company Address: Floor 5, NO.485, North Henan Road, Yingli Daxia. Shanghai, P.R.China Telephone: 86-21-63092611 FAX: 86-21-51020319