4399免费视频

工(gong)(gong)(gong)業(ye)(ye)自(zi)動化的研(yan)究(jiu)、開(kai)發；新材(cai)(cai)料的技(ji)術開(kai)發、研(yan)究(jiu)；工(gong)(gong)(gong)業(ye)(ye)產(chan)業(ye)(ye)園區建(jian)設(she)(she)開(kai)發；基礎設(she)(she)施建(jian)設(she)(she)開(kai)發；工(gong)(gong)(gong)業(ye)(ye)廠房(fang)(fang)及產(chan)業(ye)(ye)研(yan)發樓(lou)的建(jian)設(she)(she)、銷(xiao)售(shou)(shou)；房(fang)(fang)屋租賃服務(wu)；物業(ye)(ye)服務(wu)；建(jian)筑(zhu)材(cai)(cai)料、裝(zhuang)飾材(cai)(cai)料的銷(xiao)售(shou)(shou)。（依法(fa)須經(jing)批(pi)準的項目，經(jing)相關部門批(pi)準后方可開(kai)展經(jing)營活動）