1990 ning hta steearic acid gaw rubber batch amyu myu hta shamu shamawt ai ni hku nna, rubber hta loi loi hte bra ayai nga ai, n-gun n rawng ai hte n-htuk ai arung arai ni hpe shapraw ya ai., madung hku nna latex arung arai ni, foam rubber, latex coating gloves, etc ni hta madung lang ai}}.
Nang hta ra kadawn ai lam nga yang , chyeju hte anhte hpe matut mahkai mai ai..
