Miwa Mungdan hta Rubber additives ni a gat lawk hpe rawt jat wa hkra galaw ai

1952 ning hta, 1952 ning na nanjing chemical plant hte shenyang a sinpraw dingdung daw na additives ni hpe galaw shapraw ai hta, Miwa a tyre hpaga lam rawt jat wa ai hte rau, radial tyre raw materials ni hpe buga ginra de sa wa ai hte rau, radial tyre a hpaji masa lam ni hpe hkap la lu na matu, "7 lang ngu na manga" hte “daw langai ngu na manga" ngu ai, rubber hpe hpaw hpang ai aten hta, hpang hkrat wa ai. additives hpaji masa, Miwa mung a rubber additives hpaga lam hpe rawt jat galu kaba wa hkra, npawt nhpang hpe gawgap na matu npawt nhpang hpe gaw gap da ai. tsaban 20 htum wa de, tsaban 21 a shawng daw de, mungkan grup yin makawp maga tara ni hpe shadawn sharam da nna, asia-pacific ginra hta sut masa rawt jat galu kaba wa ai lam, rubber hpaga lam galaw shapraw ai lam hte arung arai ni gaw grup yin makawp maga lam, n-gun hpe hkoi shap ai lam, bungli galaw ai lam kaba galaw shapraw ai manu jahpu hte galaw shapraw ai lam kaba galaw shapraw ai manu hte hpaga lam shingjawng ai lam ni a npu e rawt jat galu kaba wa na matu n-gun atsam, grau nna Asia de htawt sit na matu, grau nna, n-gun atsam ni hpe n-gun jaw ai Miwa mungdan a sut masa lawan ai rawt jat galu kaba wa ai lam, lam gawgap ai lam hpe lawan ladan lawan ladan galaw wa ai hte rubber hpaga lam a sinpraw maga de shamu shamawt ai lam, mawdaw hpaga lam, mawdaw hpaga lam hte rubber fertilizer hpaga lam ni gaw, mungkan rubber hpaga lam a sinpraw maga de shamu shamawt ai lam a shingdu labau hpe lawan ladan rawt jat wa sai, Miwa rubber jat bang ai hpaga hpung ni gaw, matut manoi hpaji hparat hpaji ningnan ni hpe rawt jat galu kaba wa na matu ahkaw ahkang hpe hkap la lu sai. Mungkan ting na shingjawng hkat ai lam gaw grai kaja wa sai. 2016 ning hta, Miwa mungdan hta rubber additives ni a shapraw ai lam gaw, mungkan hta rubber additives yawng hta na 80% daram hpe shinggyin la lu ai, mungkan hta rubber additives kaba dik htum byin wa sai, rubber additives{13} hpe mungkan hta kaba dik htum galaw shapraw ai mungdan tai wa sai.