寧波市住友電沒有限單位的母單位日本隊住友電木珠式為上升寧波市住友電沒有限單位的企業服務生產線，于201幾年6月再上升投資者3百萬元，投建了總產量1800噸固體丙稀酸不飽和樹脂和總產量6200噸食品加工、工業企業用塑膜化化工廠。兩化化工廠于201歷經四年介紹結束投建試航，201歷經四年九月9日，承辦了君海的交付活動，兩企業服務開始加入商務化生產。   In order to enrich the production lines of Nantong Sumitomo Bakelite, Sumitomo Japan, the parent company of Nantong Sumitomo Bakelite, increased its investment of 31 million RMB by June of 2013 to build up factories that can produce 1800 tons of liquid epoxy resins and 6200 tons of food packaging and industrial films annually. The two factories finished commissioning by May of 2014 and on the 9th of September 2014 a grand completion ceremony was held, meaning the two lines went into commercial production since then.