Office 502, Technology Building, No.149,Yanchang Road,Zhabei District,Shanghai

We are specialized in producing and supplying equipment for precise grinding, surface processing, and fiber optical communication. Our target is to meet and exceed customers' demands, with...

No.3 building, Lane 61, Jiatong Rd

Shanghai Zhiwan Instruments Co.,Ltd. is located in Shanghai, China. We have been specialized in the R&D,manufacturing, sales and service of optical products for many years. We possess a high-t...