| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| Double Elephant SX-301 | Suzhou Double Elephant Optical Material Co., LTD. | Acrylic (PMMA) | Double Elephant |
| Double Elephant SX-302 | Suzhou Double Elephant Optical Material Co., LTD. | Acrylic (PMMA) | Double Elephant |
| Double Elephant SX-304 | Suzhou Double Elephant Optical Material Co., LTD. | Acrylic (PMMA) | Double Elephant |
| Double Elephant SX-303 | Suzhou Double Elephant Optical Material Co., LTD. | Acrylic (PMMA) | Double Elephant |