Shanghai cheng shi industrial co., LTD. (optimal blackstone group) was founded in 1996, belongs to the optimal ma shi Hong Kong group co., LTD., established in Shanghai in mainland China cheng shi industrial co., LTD., is China's leading office automation and information technology, products and solutions provider, business involves the comprehensive automation, office utilities information, equipment, industrial automation and other fields. For more than a decade, we have been maintaining rapid and steady development in many industries, and have become a domestic first-class group company in many fields. Now we are serving more than 50,000 customers worldwide, covering 30 provinces and municipalities in China, Europe, America, southeast Asia, west Asia, Africa and other places.
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