| Brand Character | Japanese | SUNCUE | Other brands in Taiwan | Vacuum pipe made in China |
 |  |  |  |
| Solar collector | Special stainless steel
(exclusively for solar collector in Japan) | Synchronizing with
Japanese manufacturer | Copper pipe copper plate or
Copper plate aluminum plate
or SUS304 stainless
steel pipe +tin-plate | China-made regular
glass vacuum pipes |
| High efficient solar collector | Pipe-shaped solar collector | Multiple vacuum
pipes combination |
| High density Glass fiber | Regular insulation fiber | N/A |
| Coating material used in Bullet Train in Japan | Sealed by silicon or
double-face tapes | Rubber |
| Tempered and reinforced glass | Tempered and reinforced glass | Glass, t= 1.6mm |
| Water Tank | Special stainless steel Heat retaining tank | SUS 304 Stainless steel | SUS 304 Stainless steel |
| High density molding resin foam | Manual pouring PU | Manual pouring PU |
| Divided pipe of hot water | Without divided pipe of hot water | Without divided
pipe of hot water |
| Appearance | Whole design | Solar collector and water tank are separate | - |
| Hidden pipes | Exposed pipes | - |
| Tank with big reflective plate | No reflection due to round-type tank | No reflection due to round-type tank |