Tier 1 manufacturer. Company experience with solar PV, inverters & batteries. Manufactured and supplied in-house. Strong panel frames, broad clamp zones, and flexible mounting options. Up to 25-year product and linear performance warranty. Variety of sizes, including easier-to-handle widths (1879 × 1045 × 32mm). Reasonably priced for respected products. Local support with local website. Consistently good star ratings based on reviews submitted to Solar Quotes. German-engineered, Korean-owned, and manufactured in China, Malaysia, and South Korea. Salt mist corrosion resistant.