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破碎錘、機(ji)械零部件(jian)的加工(gong)、銷(xiao)售(shou)；工(gong)程機(ji)械設備(bei)及(ji)配件(jian)、液壓件(jian)、密封(feng)件(jian)、標(biao)準件(jian)、齒輪、管(guan)材、建筑機(ji)械設備(bei)及(ji)配件(jian)的加工(gong)；起重機(ji)械設備(bei)制(zhi)造、安裝、維修、租賃；電(dian)(dian)線電(dian)(dian)纜、電(dian)(dian)子產(chan)(chan)品(pin)、電(dian)(dian)器(qi)(qi)設備(bei)、安防設備(bei)銷(xiao)售(shou)及(ji)安裝；軸承(cheng)、五金(jin)工(gong)具、金(jin)屬(shu)制(zhi)品(pin)、五金(jin)產(chan)(chan)品(pin)、電(dian)(dian)動工(gong)具、儀器(qi)(qi)儀表的加工(gong)及(ji)批(pi)發(fa)零售(shou)；貨物或(huo)技術進出口。（依法須經批(pi)準的項目，經相關(guan)部門批(pi)準后方可(ke)開展經營活動）