Glass beads ni gaw, Dingdung Zhou hkawhkam prat kaw nna nga lai wa sai. Shanhte gaw Warring States prat hta grai mying gumhkawng wa ai. Htu shaw la ai Warring States lup ni kaw na lup makoi da ai shingnip yawng ngu na daram hta shingnip shingna ni lawm ai. Shanhte a rawt jat galu kaba wa ai lam gaw, hpaji masa hte arung arai ni matut manoi rawt jat wa ai majaw, grau san seng ai shingnip ni hpe lu la wa ai hte garan n mai nga ai. Dai hta n-ga, mawn sumli ai arai ni a matu jade hpe loi mi sha jai lang ai majaw, masha ni ra sharawng ai hpe n lu galaw ai majaw, shingnip shingna ni hpe law law galaw shapraw nna, grau kaja hkra galaw ra wa ai.
1978 ning hta, Hubei mungdaw, Sui ginwang, Leigudun mare na Zenghouyi lup sung hku hta, mau hpa nsen shapraw ai nsen ni hpe mu tam la lu ai, dai hta n-ga, shingnip shingna law law hpe mung mu tam la lu ai. Ndai sumla hta madun da ai shingnip shingna lahkawng gaw ndai lup sung hku kaw na lup makoi da ai arung arai ni re. Langai hta, monochromatic glass beads sanit lawm nna, langai hpra gaw grup yin, nsam hpraw-hpraw, nsam hpraw ai hte hkrang bung ai. Kaga sumri hpe gaw, shinggyim masha ni zawn re ai dragonfly-eye glass beads ni hte grai tsawm htap hkra mawn sumli da ai, law malawng gaw n bung ai size ni hta oblate rai nna, nsam hpraw (sh) hpraw nsam rawng ai. Dai ntsa hpe hpraw (sh) nsam hpraw ai concentric ring law law hte mawn sumli da nna, grup yin ntsa de loi mi sharawt nna, sharawt ai hkrang hpe shabyin ya ai. Ndai glass n-gang ni gaw wire-wrapping ladat hpe lang nna npawt nhpang hpe galaw ai zawn rai nga ai. Dai hpang, hpraw hte nsam hpraw ai nsam ni hpe npawt nhpang ntsa de grup yin hku bang nna, dai nsam lahkawng hpe hkum tsup hkra n-gun n rawng shi yang, glue hte shinggrup da ai.
Dragonfly-myi nsam rawng ai shingnip ni gaw, Spring hte Autumn aten hte Warring States aten hta shingnip shingna ni hta grau nna lang ai. Dai ni hpe Central Asia, Sinpraw Asia, Dingdung Africa mungdan ting hta mung mu lu ai rai nna, Miwa hte Sinpraw mungdan ni a htunghking lahkawng yan hta mu lu ai shingnip shingna amyu langai mi rai nga ai. Ndai sumri hta lawm ai bead langai hpra a galu kaba ai lam n bung ai. Hpun hpraw ai lung seng- hkrang bung ai nlung langai mi hta lai nna, kaga ni yawng gaw oblate, perforated, hkrang langai sha rai nga ai. Ndai n-gang ni gaw, shanhte a nsam htoi tu ai hte n-gun ja ai hkrang ni hte, hpaji madang tsaw ai hpe madun dan ai rai nna, Warring States prat na glass n-gang ni a kasi ningli ni hku nna masat da hkrum ai.
