Rubber hpun gaw tropical rain nam maling hta lawm ai, grup yin, ga, nbung laru, hka lim ai lam hte kaga shingra tara masa ni a matu grai hkan sa ai lam hpe mungkan asuya ni yawng kam ma ai: "rubber hpun gaw masat da ai tropical area hta sha mai byin ai, dai ginra a dingdung maga de equator (sh) dai ginra a dingdung maga de 10 degrees daram nga ai, dai gaw pat hkum da ai ginra a n-gun n rawng ai shara. hpe n-gun jaw ai lam re.
Mungkan hta shingra tara hku nna galaw shapraw ai kaba dik ai ni, law malawng gaw, Malaysia, Indonesia, Thailand, India, Sri Lanka hte kaga mungdan ni a dingdung maga de, 15℃lapran equator kaw na equator hta law malawng nga ai. lahta na mungdan ni hta grau sawng ai. Mungkan hpaji ninghkring law law gaw Miwa hpe " pat shingdang da ai shara" ngu nna htunghking hku masat da ai.
Natural rubber gaw kaja ai hkum tsup ai hkrang shapraw ai lam nga ai rai nna, dai hpe law law lang lang lang ai wa gaw, dai ni na shinggyim wuhpawng a hpaga lam kaba mali hku nna, n-gang, sau hte nhprang wan n-ga ni hte rau matut mahkai nga ai, dai gaw amyu sha ni a sak hkrung lam a matu ahkyak ai arung arai langai mi rai nga ai. a matu ahkyak ai arung arai langai mi rai nga ai.
Dai shaning hta, Soviet ni woi awn ai socialist dabang, lamu ga masa ni a majaw, pat shingdang ai lam ni zawn re ai masa ni a majaw, gara mungdan mung shingra tara rubber hpe n hkai lu ai, sau zawn sau hpe jai lang ra ai, synthetic rubber hpe galaw shapraw ai lam hku nna galaw shapraw ra ai. Synthetic rubber hpe manu kaba ai sha n-ga, shingra tara rubber hta grau nna, hkum tsup ai bungli galaw ai lam hpe mung, grau nna nbungli tyre ni hpe galaw shapraw ai lam hta, shingra tara rubber hpe raw material hku nna jai lang ra ai, n rai yang, gasat gala ai lam a akyu hpe hkra machyi shangun ai.