Munyika inogara ichichinja yezvigadzirwa zvemaindasitiri, petroleum resins yave chinhu chakakosha mukushandisa kwakasiyana-siyana kubva kune zvinonamira kusvika kune machira. Sezvo maindasitiri achitsvaga mhinduro dzekuvandudza mashandiro echigadzirwa, makambani akaita seTangshan Saiou Chemical Co., Ltd. ari pamberi ...
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