4399免费视频

一般項目：新材(cai)(cai)料(liao)(liao)(liao)技術(shu)(shu)(shu)(shu)研(yan)發(fa)；技術(shu)(shu)(shu)(shu)服務、技術(shu)(shu)(shu)(shu)開(kai)發(fa)、技術(shu)(shu)(shu)(shu)咨詢、技術(shu)(shu)(shu)(shu)交流、技術(shu)(shu)(shu)(shu)轉讓、技術(shu)(shu)(shu)(shu)推廣；木材(cai)(cai)銷(xiao)售(shou)(shou)；耐火材(cai)(cai)料(liao)(liao)(liao)銷(xiao)售(shou)(shou)；人(ren)造(zao)板銷(xiao)售(shou)(shou)；塑(su)料(liao)(liao)(liao)制(zhi)品銷(xiao)售(shou)(shou)；隔(ge)熱和隔(ge)音材(cai)(cai)料(liao)(liao)(liao)銷(xiao)售(shou)(shou)；輕(qing)質建(jian)筑材(cai)(cai)料(liao)(liao)(liao)銷(xiao)售(shou)(shou)；建(jian)筑材(cai)(cai)料(liao)(liao)(liao)銷(xiao)售(shou)(shou)；密封(feng)用填(tian)料(liao)(liao)(liao)銷(xiao)售(shou)(shou)；輕(qing)質建(jian)筑材(cai)(cai)料(liao)(liao)(liao)制(zhi)造(zao)；人(ren)造(zao)板制(zhi)造(zao)。（除依(yi)法須經批準的項目外，憑營業執(zhi)照依(yi)法自(zi)主(zhu)開(kai)展經營活動）