Kadun ai hku tsun dan ai:
| Hkrang | Hkrang nsam, Rektangle, Square. |
| Arung arai | T1/C10200, T2/C11000 |
| Diameter | 3mm~800mm. |
| Woi awn ai aten | Nhtoi hte maren 10-30 ya tup galaw mai ai. |
| Sanghpaw daru | Miwa mung, Ningbo (sh) Shanghai kaw nga ai. |
Sanglang dan ai lam:
Ndai flat square- hkrang bung ai profile stick gaw, flat square hkrang, bell hkrang, gourd hkrang, hollow special hkrang amyu myu, etc. ni lawm ai, latsa lam hku nna pru wa nna, customer ni ra sharawng ai hku nna gram lajang mai ai. Grai kaja ai hku htu ai atsam a majaw, ndai profile stick hte rod- zawn re ai arung arai ni hpe lock system ni rai nga ai padlock, chyinghka lock, smart lock ni hta grai lang ma ai.
Flat square bar a jai lang ai shara ni:
Gawgap ai lam hte gawgap ai arung arai ni
Hpaji hte galaw shapraw ai
Madung wan jak arung arai ni
Nta kata na arung arai ni hte kata hpe mawn sumli ai shara
Mawdaw hpaga lam
Copper Rod hte Stick hpe galaw ai ladat:
1. Hprawng shapraw ai -(rolling) - gang je ai -(annealing) - ngut kre ai - ngut sai arai ni hpe galaw ai.
2. Matut manoi htu ai (lead up, n-gup magap (sh) leng hte, hkan nang ai, n-gun rawng ai)-(rolling)- jat ai -(annealing)- ngut kre ai - ngut sai arai ni hpe galaw ai.
3. Matut manoi shapraw ai - jat ai -(annealing) - ngut kre ai - ngut sai arai ni hpe galaw ai.
4. Hka hte seng ai sumla hkrung
5. Quality hpe jep joi nna shinggyin la lu ai
