Products
With almost 20 years of experience SINOI GmbH is a leading German manufacturer specialised in:
- high quality rotor blades for wind turbines
- mould construction
- tranfer of state-of-the-art production technologies
- customer-specified developments

The key requirements of a rotor blade are:
- durability and consistently high production quality
- minimal weight and high material rigidity
- precision layout for economical production
The engineers at SINOI, in the drive to become the quality leader in this field, continually fine-tune their rotor blades, and have brought countless product innovations through to serial production.
SINOI has a wide-ranging product portfolio of high-performance, pitch-adjustable rotor blades for wind power plants. The following is a table of the current products available.
Blade type | Rated power | Wind class |
---|---|---|
SI 34.0 V1 | 1500 kW | GL II |
SI 34.0 V2 | 1500 kW | GL II / IEC II |
SI 34.0 V2 | 2000 kW | IEC II |
SI 37.5 V1 | 1500 kW | GL III |
License Blade | 1500 - 2500 kW | I, II und III |
SI 37.5 V2 | 1500 kW | IEC II + |
SI 40.3 | 1500 kW | IEC III + |
SI 42.0 (WT) | 2000 kW | IEC II + |
SI 42.2 | 2000 kW | IEC II + |
SI 43.5 | 1500 kW | GL IV |
SI 44.0 | 3000 kW | IEC I + |
SI 45.3 | 2000 kW | IEC III + |
SI 45.3 (WT) | 2000 kW | IEC III + |
SI 50.0 | 3000 kW | IEC II + |
SI 50.3 | 2500 kW | IEC III + |
SI 55.0 | 3000 kW | IEC III + |
SI 62.0 | 5000 kW | IEC IB |