Over 40 years experience in the optical industry, the Greatwall (Optical) Plastic Works LTD., subsidiaries of the Hong Kong listed co***ny, Cosmos Machinery Enterprises LTD. (HKSE: 0118.HK), has grown from a modest beginning to its present size and magnitude. Established in Hong Kong since 1960's, central offices and factories have been setup in Hong Kong in the early 60's, and Donguan, in the 90's. Progressing steadily since inception, Greatwall has built up an unrivaled reputation in Optical Industria...
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