... at the same time; can analyze the profile and compare with the history saved profiles;* 8 segments of temperature up( ... is adjustable;* Buzz after soldering or desoldering is finished;* With different alloy hot gas nozzles, easy to replace.It could be ... America, Europe, Middle East, India, South America.2.Factory equipped with 200 workers, metal plate,technology ,assemble ,debugging ,QC ,aftersales ...