Shizhong District

Founded in 2007Jinan Sumspring Experimental Instrument Co., Ltd. is an enterprise focus on laboratory analytical instrumentation development and sales of high-tech innovation , specializes in drug tes...

Tianxin district

Changsha Qlong Instruments Co. Ltd . is an excellent supplier specializing in trading and manufacturing . Our main products is spectrophotometers , hardness tester , muffle furnace , and some testing...

No.248, Guanganmenwai Avenue, Xuanwu District, Beijing 100054, China Beijing Beijing 100054 China

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