1965 ning hta hpaw hpang wa ai mungdan madu ai hpaga hpung dingsa langai a sutgan ni a daw langai hpe, 1965 ning hta hpaw hpang wa ai rai nna, ndai aten hta, n-gun madun ai lam galaw na rai nna, dai rubber company gaw, Chongqing{{{3} hta nga ai, Yangtze River Rubber Manufacturing Co{3}}, Ltd{4}}}} seng a matu, n-gun n-gun n-rawng ai lam, hte shi a sutgan-htung tara n-gun n-gun n-gun hpe hpyi shawn ai shaloi, n-gun n-gun n-nga sai. 182%. du hkra.
"Miwa Rubber" ngu ai hpe jep joi ngut ai hpang, Chongqing Changjiang Rubber galaw shapraw ai Co{0}, Ltd{1}, hpe shawng de chongqing Changjiang Rubber Factory ngu nna shamying ma ai, 1981 ning hta, dai company gaw2000.} hta, dai hpe bai gram lajang da ai, kaja ai rawt jat lam nga ai. Chongqing mawdaw hte mawdaw galaw ai hpaga lam hpe madi shadaw ai madung madi shadaw ai ni.}.
Raitim, mau hpa lam gaw, ja rawt jat galu kaba wa ai aten ngut ai hpang, company a galaw shapraw ai lam hte bungli galaw ai lam gaw, dai ni na shinggyim nga pra masa hte sut masa rawt jat lam hpe loi loi hte n hkap la lu ai, n-gun ja ai gat lawk shingjawng ai lam hta loi loi hte hkrat sum mat wa ai.
Dai company a n tara ai lam ni gaw, shi a gumhpraw garan ai lam hpe dawm kau shangun ai majaw, aten ladaw hta n-gun n rawng ai lam ni hpe n lu hparan ai.
Shawa masha ni a shiga hku nga yang, Changjiang Rubber gaw 1990 ning daram hta, Dingdung daw de na hpyen masa arung arai ni hpe galaw shapraw ai kaba dik htum rai nna, 1990 ning daram hta, Dingdung daw de na mung shawa rubber n bung ai arung arai ni hpe galaw shapraw ai wa rai nga ai.