As innovators and pioneers in hydraulic yaw and rotor brake configurations, and yaw disc & brake service tools, we have designed and manufactured motion control products for over 40 years. Our brakes, genuine parts, and service solutions have been supplied to over 200,000 wind turbines worldwide.
Surface Intelligent Science and Technology(Shanghai) Co.,Ltd.
The world-leading AI-driven industrial surface treatment equipment(cutting,drilling,welding,deburring,sanding/grinding,polishing,painting,spray,etc.) and turnkey solution provider – Empowering manufacturing industry upgrade with technology. – Widely used in aerospace industry,automotive industry, rail and transit industry,new energy industry,heavy machinery industry, durable consumer goods industry,high precision processing industry,etc. Our company is a national high-tech enterprise specializing in robot surface treatment technology and industrial 4.0 smart factory solutions. Through its independently developed flexible surface treatment technology, it promotes the automation upgrade of the manufacturing industry. Its core products include Robopilot® industrial software, self-developed end tools of various specifications, X-MOTOR® intelligent grinders, AI intelligent auxiliary material cabinets and other innovative products, contributing to the realization of an integrated intelligent industrial ecosystem of “perception – decision – control”. The founder and core team members are mostly from renowned universities such as the University of Texas at Austin, Xi’an Jiaotong University, and the National Technical University of Ukraine. With cutting-edge technical capabilities, they provide professional surface treatment technology, data analysis, and intelligent decision support systems, promoting the digitalization, precision, efficiency, and scientificity of the manufacturing industry. Our company focuses on the intelligence of surface treatment and enters the pain points of high-end manufacturing through flexible robot technology. Its technology implementation capabilities have been verified by leading customers in aerospace, wind power, automotive manufacturing, and parts. The development path reflects the “technology + scenario” dual-driven hard technology enterprise model. The company has received two rounds of financing, with a cumulative financing amount of tens of millions of yuan. Investors include well-known domestic and foreign institutions such as Shenzhen Capital Group, Infotech Capital, HAX, and Seven Seas Capital. It is expected that the order amount will exceed 100 million yuan in 2025, and the performance is expected to exceed 500 million yuan within three years.
STIF – VIGILEX ENERGY
STIF, is a global leader in manufacturing fire and explosion protection solutions for Battery Energy Storage Systems (BESS). Headquartered in France, STIF operates worldwide to ensure the safety and reliability of energy storage systems. VIGILEX ENERGY protection solutions are passive safety products designed to meet the environmental and technical constraints of BESS. Since 2022, we have been manufacturing vent panels specifically adapted to BESS, designed to relieve overpressure caused by explosions resulting from thermal runaway in lithium-ion batteries. These safety components are Atex EN 14994 certified and rigorously tested to open at the required pressure. Recently, we developed an innovative active solution, DUAL-VENT, which ensures both explosion and gas venting for BESS, further enhancing system safety. Our solutions provide a minimum protection rating of IP66, ensuring high waterproof level and resistance in demanding environments. To reduce CO2 emissions and meet the needs of our global customers, STIF manufactures on three continents, with production facilities in France, China, and the USA.
Sterling Site Access Solutions
Sterling Site Access Solutions is the leader in innovative site access solutions for companies that build our nation’s energy infrastructure. Our groundbreaking TerraLam mats, extensive experience in site access work, and a full array of turnkey services, can support projects of any size by providing exceptional value, reducing risk and improving sustainability. We offer an extensive line of CLT, timber, access, and composite matting solutions. | Sterling Site Access Solutions designs and delivers high-performance access systems that keep projects moving safely and efficiently. From TerraLam® CLT mats to turnkey site access planning, we help contractors reduce ground impact, improve safety, lower logistics costs, and achieve smarter lifecycle outcomes across energy, utility, and heavy civil markets.
SteelCon Inc.
SteelCon fabricates engineered substation structures with predictable production timelines with delivery in 6–8 weeks for standard steel and 14–16 weeks for tubular structures. EPC contractors nationwide rely on SteelCon’s fabrication capacity to keep power infrastructure projects on schedule.
Sphere Renewables
Sphere Renewables is a U.S.–headquartered manufacturing and supply chain partner focused on critical components for the energy transition. From three Colorado facilities and an expanding Mexico fiberglass operation, we provide OEM‑grade assemblies, custom LV cable solutions, complex fiberglass parts, and integrated site kitting for wind, solar, and BESS projects across North America and global markets. We specialize in nacelle and hub assemblies, tower internals and hardware, transport equipment and tower feet refurbishment, LV cable assemblies and electrical kits, and nacelle panels, spinners, and covers produced through our near‑shore fiberglass facility. By combining domestic manufacturing with a global sourcing network in Europe and China, Sphere helps customers localize content, mitigate tariffs, shorten lead times, and reduce total landed cost. Our teams manage thousands of SKUs, convert complex BOMs into project‑ready kits, and support new build, repower, and O&M campaigns for OEMs, tower manufacturers, EPCs, IPPs, and service providers. Certified to ISO 9001/14001/45001 and leveraging IPC‑620 and welding/NDT expertise, Sphere acts as a single accountable partner from fabrication and assembly through logistics and delivery, building more resilient, efficient supply chains for wind, solar, and storage.
Sieyuan Electric Co Ltd
Sieyuan Electric is a leading power technology company dedicated to “Smarter Power, Better Life.” It provides efficient power system solutions across transmission, distribution, energy storage, and digital transformation. With five R&D hubs and over ten manufacturing sites in China, it delivers reliable primary/secondary equipment, power electronics, and EPC services globally. | Sieyuan Electric is a power equipment manufacturer providing solutions across transmission, distribution, energy storage, and digitalization. With over 16 factories, we produce fast lead time power transformers, breakers, dry-type transformers, HV & MV AIS/GIS, instrument transformers, and disconnectors for utility, renewable, and industrial projects worldwide.
Sherwood Electromotion Inc.
Sherwood Electromotion supplies products and service solutions for the rail, mass transit, and wind power generation industries. Our dedication to scope of supply, contact manufacturing, product reliability, and customer service keeps SEI a forefront leader in our industry.
Seraphim Solar System USA Inc.
Seraphim Solar System USA, a subsidiary of Seraphim, leverages the strength of its Singapore-headquartered parent company, a global solar manufacturer with 13GW of production capacity and a proven track record of performance. Backed by 11 consecutive years as a Tier 1 supplier recognized by BNEF, as well as recognition from S&P Global and multi-year PVEL Top Performer status, Seraphim’s modules are deployed in over 120 countries, supported by more than 100 patents and strong R&D capabilities. Established in the U.S. in 2015, Seraphim Solar System USA is a FEOC-compliant solar module manufacturer with a 2GW domestic production facility in South Carolina, delivering reliable, locally manufactured supply to the American market through dedicated U.S.-based sales and technical teams, and reinforcing its position as a trusted and bankable partner.