Goodwill imapereka ma pulleys aku Europe ndi America, komanso ma bushings ofananira ndi zida zotsekera zopanda makiyi. Amapangidwa ndi miyezo yapamwamba kuti atsimikizire kuti ali oyenerera bwino ku ma pulleys ndikupereka mphamvu yodalirika yotumizira. Kuphatikiza apo, Goodwill imapereka ma pulleys ophatikizira chitsulo choponyedwa, chitsulo, ma pulleys odinda komanso ma pulleys osagwira ntchito. Tili ndi luso lapamwamba lopanga makonda kuti tipange mayankho opangidwa mwaluso potengera zofunikira komanso malo omwe timagwiritsira ntchito. Pofuna kukwaniritsa zosowa zosiyanasiyana za makasitomala, kuwonjezera pa kujambula kwa electrophoretic, phosphating, ndi zokutira ufa, Goodwill imaperekanso njira zochizira pamwamba monga kujambula, galvanizing, ndi chrome plating. Zochizira zam'mwambazi zimatha kupereka kukana kwa dzimbiri komanso kukongola kwa pulley.
Zinthu zokhazikika: Chitsulo choponyera, chitsulo cha ductile, C45, SPHC
Electrophoretic utoto, phosphating, zokutira ufa, plating zinki