Say pretreatment et kaiba so manual ya pinasimpli iran proseso tan automatikon proseso na pretreatment, say unor et naapag ed automatic spraying tan automatic dip spraying. Antis ya i-powder coating, saray workpieces et kaukolan ya ondalan ed surface treatment pian naekal so larak tan kalat. Sayan yugtan et manguusar na nanduruman kemikal, nagkalalo la ed panag-ekal na kalawang, panag-degreaser, panagkondisyon ed tapew, tan panag-phosphate.
Diad pretreatment section odino workshop na linya na produksyon na coating, say unonan prayuridad et say pangiletneg na nakaukolan iran sistema parad pansaliw, pangibiahe, pangisimpen, tan pangusar na mabiskeg iran asido tan alkali; mangiter ed saray trabahador na nakaukolan iran proteksion a kawes; seguroen ya ligtas tan napanmatalkan iray pananginan, panag-asikaso, tan kagawaan; tan manggawa na saray paraan pian naresolbe so emerhensya tan saray paraan na pangisalba no walay aksidente. Kumadwa, lapud say pretreatment section na linya na produksyon na coating et mamapawala na pigaran waste gas tan waste liquid, saray paraan na proteksion ed kaliberliber et nepeg ya mangilaktip ed tambutso, drainage, tan waste treatment devices.
Say kalidad na saray pretreated workpieces et manduruma lapud pandumaan na pretreatment solutions tan saray proseso na linya na produksyon na coating. Parad saray workpiece ya maong so inka-treat to ya naekal so amin ya larak tan kalawang ed tapew to, say phosphating odino passivation treatment et kaslakan ya gagawaen na pigaran danay kayari na pretreatment pian ag la mankalawang lamet ed antikey a panaon. Antis ya i-powder coating, nepeg ya pamaraan so phosphated workpieces pian naekal so danum ed tapew. Parad melag ya batch, saksakey a produksyon, say natural ya air drying, sun drying, odino wind drying so kaslakan ya uusaren. Parad angkakabaleg ya-batch, assembly line ya produksyon, say pamamaga ed abeban temperatura et kaslakan ya uusaren so oven odino drying tunnels.
