The systems that make a turbine a power plant
CLET supplies complete auxiliary packages to Siemens Energy, GE, Mitsubishi Hitachi, Dresser-Rand, MAN and Solar Turbines. Approximately 80 % domestic market share for gas turbines rated at or below 50 MW.
Nine engineered sub-systems
Designed, manufactured, assembled and commissioned in-house — a single interface from concept drawing to guaranteed noise level.
Air intake system
Air filter, anti-icing unit, cooling assembly, silencer, flow guide parts, valves, ductwork and support frames. Multi-stage desert filtration is specified where sand loading demands it.
Exhaust system
Straight exhaust duct, three-way damper valve, elbows, exhaust silencer, heat-insulated noise-isolated flue and chimney.
Enclosure & ventilation system
Unit enclosure, soundproof doors and windows, overhead crane mount, fire damper, muffler, rainproof assembly, sealing system, fire protection and lighting.
Base frame & steel structure
Base skid, support pedestal, container base, piping, enclosures and structural steel supports.
Fluid system
Fuel supply, lube oil, cooling medium and hydraulic piping assemblies.
Electrical & control system
MCC cabinet, UPS, variable-frequency cabinet, soft starter, excitation and synchronisation protection, HV/LV distribution; PLC, DCS and SCADA monitoring, video surveillance, audio intercom and data acquisition.
Noise control
Guaranteed noise level ≤ 85 dB; customised design available on request.
Emission control system
Integrated denitrification, dust removal, temperature regulation, plus monitoring and control accessories. In-house SCR catalyst production and flue gas denitrification system integration.
Thermal insulation cladding
Insulation wrapping for compressor casing, combustion chamber / burner and turbine casing.
Nearly 100 gas turbine models
Domestic Chinese turbines, foreign-brand turbines built in China, and overseas heavy-duty and aeroderivative units.
Chinese-built gas turbines
36 specs & modelsForeign brands built in China
36 specs & modelsOverseas heavy-duty & aeroderivative
24 specs & modelsFifteen years of OEM qualification
- 2011SIEMENS SGT100–400 · MTU · MDS
- 2012–2017SIEMENS SGT700 / SGT800 · Solar Turbines · CAMFIL
- 2019GE 6F.03
- 2020–2021SIEMENS SGT5-4000F · SGT-A35 · MAN · SHINWA
- 2022MHI M701F4
- 2024SIEMENS SGT5-8000H
- 2025SIEMENS SGT5-2000E · CAPSTONE PGM130 & 350 — qualified supplier
Auxiliary system deliveries

GE 9E Gas Turbine
- Location
- Wuqing District, Tianjin
120 MWH100 Gas Turbine
- Client
- Dongfang Electric Corporation
- Location
- Shandong
110 MWRF110 Heavy-duty Gas Turbine
- Client
- Shenyang Liming Aero-Engine (Group) Co., Ltd.
75 MWAE64.3A Gas Turbine
- Client
- Shanghai Electric
- Location
- Guangdong, Ganlu
54 MWSGT-800 Gas Turbine
- Client
- Hangzhou Steam Turbine
- Location
- Guangdong, China
54 MWSGT-800 Gas Turbine
- Client
- GCL Smart Energy
- Location
- Nantong, China
Have a gas turbine package to specify?
Send us the turbine model, site conditions and noise limit. Our engineering team will come back with a system concept.

