China ya China Qingdao International Rubber Technology Exhibition" yikuchemeka kuti 'RTF', yachitika makora chomene chifukwa cha masambiro khumi na ghankhondi kufuma mu 2004, ndipo chilongolero cha RTF cha pachaka chakwaniska vyakuchitika viwemi na kukhuŵilizga chomene, kukopa makampani ghakujumpha 28 Pafupifupi pafupifupi 28 makampani chikwi kufuma ku vyaru na vigaŵa ivyo vikachitika mu chilongolero chachikanga ({}}} RT2019 vikachitika mu nyengo yimoza ya nyengo yimoza kufuma ku Qingda International Convention na Malo ghakuwoneskerapo na Kuwoneska kwa pa charu chose cha Qingdao (CTF) kufuma pa Epulero 9 mpaka 11, 2019.
Shenyang Sunnyjoint Chemical nayo wakukhwaskika chomene na chinthu ichi .