主营 stai-3b9,stai-3b42,stai-3b48,stai-3b96,stai-3b72,stdi-3b9,stdi-3b16,stdi-3b42,stdi-3b48,stdi-3b72,stap-1b72,staq-1b9,sta∮-1b72,stui-389,stpq∮-3b42,st2000,st2020,st2022,st2030,st2032,st2200a,st2200b,tdds71,ytwp-1,ytwp-3,ytwpi-3,yds71,yts71,ddsy-1,ytsd71,yt-400,yh8000,yh8300,stb-b-12.7/131,yt-ct6,ytwx-2,yt201p,st281f,st280,wdd-1b,hyz-40/220v,st208,stks-1c,yt-400,bh0.66-30i,bh0.66-40i,bh0.66-40ii,bh0.66-60ii,yhcj-20j 等。