Ndai zawn re ai hpaga lam majan hta, USA gaw Miwa mungdan a rubber tyre dut shabra ai lam galaw wa sai, America gaw, ahkun hkanse hta lawm ai chemical arung arai law malawng lawm ai, chemical raw materials ni hta lang ai rubber additives ni hte seng ai jahpan hpe shapraw dat ai, rubber jat bang ai arung arai nkau mi gaw manu hpe jat wa sai, dai majaw, rubber auxiliary ni a manu gaw kade nna yang, rubber auxiliary ni hpe galaw shapraw ai wa hku nna, Sheyan, Sunnyjoint Chemicals Co{{3}, Ltd{4}, gaw, mawdaw a manu jahpu hte U{5}}S{6}} asuya a galaw ai lam ni hpe atsawm sha myit maju jung na re.
Ndai grup yin hpe jep joi ai lam gaw grau nna yu reng ai lam hte matut galaw ai, grau nna October shata ngut ai hpang, rubber auxiliaries hpaga lam hte seng ai makau grup yin hpe hparan ai lam hte galaw shapraw ai arung arai ni hpe gram lajang ai lam hte galaw shapraw ai arung arai ni hpe gram lajang ai lam hte galaw shapraw ai arung arai ni hpe gram lajang ai lam hpe n-gun jaw ai lam hpe n-gun jaw nga ai.