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Kulumikizana
Kulumikiza ma chubu ndi mtundu wa chida chobowola m'munda wamafuta, womwe umagwiritsidwa ntchito kwambiri polumikizira machubu. Kulumikizana kwa machubu makamaka kumathetsa vuto la kutopa kwapang'onopang'ono kwa kulumikizana komwe kulipo chifukwa cha kupsinjika maganizo.
Room 703 Building B, Greenland center, Hi-tech Development zone Xi'an, China
86-13609153141
