The Board of Directors of China’s Tangshan Sunfar Silicon Industries Co. Ltd has approved an investment plan of production of electronic specialty gases with an overall budget of RMB 287.24m ($44.5m).
The investment plan was approved on 20th December (2017).
Under the plan, Sunfar will produce 500 tonnes per year (tpy) of dichlorosilane and 1,000 tpy of trichlorosilane – both to electronic grade – when its new production site at Nanpu Economic Development Zone is completed.
The new project will make use of the trichlorosilane of existing production processes and will be delivered to the new production site via pipeline. The by-product of the new process, silicon tetrachloride, will be sent back to the existing production process, saving a lot of resource.
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