Hoffman kiln yog tsim rau cib factories nrog txhua hnub muaj peev xwm txog 50,000-200,000 cib.
(Yog tias koj lub peev xwm siab dhau, peb pom zootNws Tunnel kiln rau koj.)
Cov yam ntxwv ntawm Hoffman kiln:
| Tus naj npawb ntawm qhov rooj | Ib feem ntawm qhov hluav taws kub | sab hauv dav (m) | Sab hauv qhov siab (m) | Muaj peev xwm txhua hnub (pcs) |
| 18-24 | 1 | 3.6-3.9 | 2.6-2.8 Nws | ≥70,000 |
| 18-24 | 1 | 3.9-4.2 | 2.6-2.8 Nws | ≥80,000 |
| 32-48 : kuv | 2 | 3.6-3.9 | 2.6-2.8 Nws | ≥130,000 |
| 32-48 : kuv | 2 | 3.9-4.2 | 2.6-2.8 Nws | ≥150,000 |
| 48-72 : kuv | 3 | 3.6-3.9 | 2.6-2.8 Nws | ≥190,000 |
| 48-72 : kuv | 3 | 3.9-4.2 | 2.6-2.8 Nws | ≥210,000 |
| ≥72 | ≥4 | 3.6-3.9 | 2.6-2.8 Nws | ≥250,000 |
Post lub sij hawm: Aug-23-2021