Ndai zawn re ai lam ni hpe jai lang ai lam gaw, bungli galaw ai shara hta n-gun n rawng ai n-gun hpe ninghkap lu ai hka htung a n-gun gaw, shim lum ai hte htunghking masa hku galaw shapraw ai lam hpe hkra machyi shangun ai lam langai rai nga ai, hpaji masa hte hpaji masa n-htum n-wai rawt jat lam ni hte rau, n-gun n rawng ai hpaji ningnan ni hpe mung, n-gun n rawng ai, n-gang, n-gang, alloy, paste ceramic la nga ai hpe la nga ai. bai wa ai. Lahta na hpaga lam ni hta mung grai lang ma ai:1. Mines:1.1 nhprang wan n-gun, nhprang wan n-gun, nhprang wan sau hte nhprang wan sau htu ai shara hta hka htung ni hpe hka htung hte hka htung ni: hka htung ni hte hka htung ni hpe pipeline htaw sa ai lam.2. Metallurgy:2.1 wan wut ai wan n-ga hpe n-gun dat bang ai hte kaga pipeline ni hpe n-gang bungli ni hta galaw na matu, 2.2 gaw, nhprang wan n-ga galaw ai hte wan wut ai shara shinggan de ferroalloy hpe htawt sit ya na matu ra sharawng ai pipe ni hpe ra sharawng ai.3, cement galaw shapraw ai shara: rotary kiln hka lim ai raw galaw shapraw ai lam, nhprang wan sau htaw ai lam, n-gun dat ni hpe htaw sa ai arung arai, concrete pipeline.
Hpun n-gun hpe ninghkap lu ai pipe htaw sa ai lam gaw, n-gun, n-gun, nhprang wan, wan sau, tsi mawan, nta gawgap ai arung arai ni, jak rung ni hte kaga hpaga lam ni, lawan ai hku rawt jat galu kaba wa ai lam ni yawng hta rai nga ai.
Wunger-hkap la ai hka htung a n-gun gaw, n-gun rawng ai lam langai mi rai nga ai, dai shara hta, arai lahkawng gaw langai hte langai matut mahkai nna, ntsa maga de na shamu shamawt ai lam nga ai.Pipe wear gaw, hka lwi ai hka hte n-gun n rawng ai n-gun n rawng ai n-gun ni a majaw, pipe arung arai ni hpe hkra machyi shangun ai shaloi, n-gun n rawng ai (sh) n-gun n rawng ai majaw byin pru wa ai hkra machyi ai lam (sh) n-gun n rawng ai lam a majaw byin wa ai hkra machyi ai lam hte hkra machyi ai lam hpe tsun mayu ai.
Kaja dik ai tsaw ai, n-gun ja ai, n-gun ja ai, n-gun ja ai - n-gun ja ai - hkam sharang lu ai tube gaw abrasive bu hpun ai hpe shayawm ya lu ai ahkyak ai ladat langai rai nga ai.
Hpun n-gun n-gun n-rawng ai hka htung a arung arai gaw madung hku nna amyu 4 hpe garan nna, 1, macromolecule arung arai;2. Inorganic n-gun n rawng ai arung arai;3. Metal tube;4. Composite arung arai tube.
Laknak ni hpe hkap la lu ai pipe hpe, lung seng htu ai shara, mineral powder hte n-gup magap ni hpe htaw sa ai hta grai lang ai.
