| 241 | Prestressed Concrete Piles I-35 | |
| 242 | Prestressed Concrete Piles I-40 | |
| 243 | Reinforced Concrete Pillars S-18 | |
| 244 | Prestressed Concrete Piles I-26 | |
| 245 | Prestressed Concrete Piles I-30 | |
| 246 | เสาเข็มไอ 22 | |
| 247 | Prestressed Concrete Piles I-18 | |
| 248 | เสาเข็มสี่เหลี่ยมตัน S15 | |
| 249 | เสาเข็มไอ 15 | |
| 250 | Reinforced Concrete Pillars S-40 | |
| 251 | Reinforced Concrete Pillars S-22 | |
| 252 | Reinforced Concrete Pillars S-26 | |
| 253 | Reinforced Concrete Pillars S-35 | |
| 254 | เบรกเกอร์โซล่าเซลล์ | |
| 255 | SCM440 High Tensile Steel | |
| 256 | S45C Steel | |