1978: French masha Margar gaw Miwa mung de npawt nhpang n-gun (Sicaduer 31# n-gun) hpe la sa wa ai.
1980: Gawgap Hkringmang Dap kaw nna "Gawgap ai Structural Adhesives ni hpe sawk sagawn ai hte jai lang ai hpaji masa hpe n-gun jaw ai lam" ngu ai sawk sagawn masing hpe tara shang shapraw dat sai. Miwa Mungdan Hpaji Jawng a Dalian Institute of Chemical Physics hte Liaoning Building Hpaji Hpaji Hpung ni jawm galaw nna, 1983 ning hta ngut kre lu sai. steel-bonded hte nta ni hpe ngang kang hkra galaw ai.
1990: Miwa Mungdan na Engineering Gawgap ai Madang masat masa galaw ai hpung a madang "Concrete npawt nhpang ni hpe ngang kang hkra galaw na matu hpaji masa" (CECS25:90) gaw, n-gang-bonded n-gun ja ai hpaji hpe tara shang masat da ai hta bang nna, JGN series nta gawgap ai arung arai ni hpe masat masa galaw ai arung arai ni hku nna masat da ai. Miwa Mungdan Hpaji Jawng a Chemistry Dap hte Mare Kaba hte Kahtawng ningchyawng Hkringmang Dap a Hpaji Dap kaw nna, "Nta gap ai Structural Adhesives hte shanhte hpe jai lang ai hpaji masa a matu jep joi laika" hte seng nna ndau laika shapraw dat sai.
1996: Gat lawk ra sharawng ai lam ni hpe htai ya ai hku nna, Miwa Hpaji Jawng gaw, n-gun ja ai lit hpe hkam sharang lu ai arung arai ni a matu, hka lim ai shara ni hta lang na matu, concrete ntsa hpe gram lajang na matu, n-gun ja ai {2},temperature in.je.
1997: Application sawk sagawn ai lam ni hte tatut mahkrum madup law law gaw, chemical steel bonding n-gun shaja ai lam gaw n-gun shaja ai hpaji masa hta ahkyak dik htum byin wa sai hpe madun dan nga ai. Dai ladat gaw grai kungkyang ai hte hpaji masa mung grau grau kungkyang wa ai majaw, asan sha galaw lu ai, kam mai ai hpaji masa, bungli galaw masha, arung arai, aten n law ai, shara n law ai zawn re ai akyu ni hpe jaw ya nga ai. Structure designer ni kaw nna grau grau nna masat masa lu wa sai.
2000: Structural adhesives ni gaw nta nnan hte nta dingsa ni a matu n-gun ja ai bungli masing ni de lawan ladan jat wa ai, dai hta concrete rebar hpe n-gun ja hkra galaw ai, chemical steel hpe n-gun ja hkra galaw ai, chemical anchor hpe n-gun ja hkra galaw ai, carbon fiber cloth (plate) hpe n-gun ja hkra galaw ai, hkrat sum ai hte n-gun n rawng ai, n-gun n rawng ai hpe ninghkap ai, n-gun n rawng ai hpe ninghkap ai, n-gun n rawng ai n-gun rawng ai. Gawgap bungli hta n mai garan kachyan ai hte ahkyak ai nta gawgap ai arung arai langai byin wa sai.
2006: Mungdan madang masat masa galaw ai tara upadi GB50367-2006 hpe hkan sa wa ai rai nna, dai gaw Miwa mungdan a socialist prat dep masa hpe n-gun jaw ai lam hta kaja ai akyu pru na teng sha rai nga ai.