Dongguan Mentech Optical & Magnetic Co.Ltd(002902) ( Dongguan Mentech Optical & Magnetic Co.Ltd(002902) ) said during the investigation that the company’s optical module products can be used in the field of data center. The 400g optical module developed by Wuhan R & D center has been delivered in small quantities, which can provide relevant products and services for the construction of big data platform in digital economy.