SMM ichidimbu chekuti Shanghai Metals Market, uye LME ichidimbu che London Metals Exchange.

SMM (Dzvanya kuSMM) yakavambwa muna 1999 seChinese metals market research company, Shanghai Metals Market yanga ichishambadza mitengo yemazuva ese yekuongorora nzvimbo (SMM Price) kweanopfuura zana simbi dzepasi, simbi dzinokosha, simbi diki, simbi dzakadzokororwa, simbi hupfu, makomisheni, semi, alloys, uye zvisingawanzo pasi kweanopfuura makore gumi. SMM zve Shanghai Nonferrous Metals Price Index (SMMI) inonyatso kuteedzera mamiriro ese ari mumusika weChina nonferrous metals.

LME (Dzvanya kuLME)ndiyo yekutsinhana kweramangwana nemusika mukuru wepasirese mune zvingasarudzwa uye zvibvumirano zveramangwana pahwaro nezvimwe simbi, Netsanangudzo inzvimbo huru yekutengeserana yeLondon yakaumbwa muna 1877 iyo parizvino inotengesa ramangwana uye sarudzo zvibvumirano zvesimbi huru nhanhatu: aluminium, mhangura, lead, nickel, tini, uye zinc.

Izvo zvakakosha kune vakakura vashandisi veAluminium vachiona maitiro emitengo yemusika uye nekugona kuvhara zvibvumirano zveramangwana kuchengetedza mitengo yakasimba.

Mumusika wekugovera,aluminium extrusion mitengoyakavakirwa pamari-ye-ye-zuva SMM avhareji.

RAYIWELL MFG Limited inyanzvi yekutengesa aluminium plate, aluminium extrusion profiles, uye makoiri esimbi sesimbi, simbi yakagadzirwa neprepainted, Galvalume simbi coils uye silicon simbi makoiri. The companyRAYIWELLtakanyatso shandira pamwe nehombe kana diki chigayo muChina nemutengo wakanaka uye nekukurumidza kuburitsa nguva pamhando yepamusoro kune vatengi vedu sewe.