Miwa Qingdao International Rubber Technology Exhibition" hpe 'RTF' ngu nna tsun ai, 2004 ning kaw nna shi manga ning tup awng dang ai hku galaw wa sai rai nna, shaning shagu na RTF madun gawk gaw kaja ai mahtai ni hpe lu la nna, grai kaba ai n-gun atsam ni hpe lu la sai, ndai madun gawk hta company wan 28 daram shang lawm nna, ndai madun gawk hta RF2019 hpe galaw ai gaw, Qingdao International Convention hte Exhibition Center kaw nna aten langai sha hta galaw ai. Qingdao Mungkan ting na Tire & Wheel madun poi (CTF) hpe April 9 ya kaw nna 11 ya du hkra,2019..
Shenyang Sunnyjoint Chemical mung ndai mabyin hpe grai myit tsang nga ai..