HEEE
Founded in 1992, HEEE specializes in process design, equipment supplying, installation, commissioning and general contracting of large-scale biogas &bio-methane projects, treating high solid content organic waste with anaerobic treatment technologies. HEEE is the vice president of the Biomass Innovation Alliance and also the executive member of the Chinese Biogas Society, a member of the American …
Profile
HEEE (Hangzhou Energy & Environmental Engineering Co., Ltd., 杭州能源环境工程有限公司; founded 1992) designs, supplies equipment for, installs, commissions, and general-contracts large-scale biogas and upgraded bio-methane projects, using anaerobic treatment for high-solid organic waste, with feedstocks from agriculture, municipal, and industrial sources. Core technology/equipment includes pretreatment (e.g., hydrolysis and sand removal), CSTR anaerobic digestion, and biogas high-value utilization/purification to bio-methane. Headquarters/address: No. 550 Shunfeng Road, Linping District Economic Development Zone, Hangzhou, Zhejiang, China. Ownership/stock: a wholly owned subsidiary of listed WELLI Group (股票代码300190) (post-2014 restructuring). Scale where known: LinkedIn cites 12 employees and ~JPY 361.2M annual revenue; also reports building 200+ (or 250+) large-scale projects. Latest 2025–2026 development: by end-2025 it had contracts totaling ~350,000 m3/day daily processing capacity (~250,000 m3/day bio-natural gas) across four operational projects, and it’s advancing UCO processing and SAF pilot collaborations; the 2026-09-08 update indicates it is active. Key partners/customers mentioned include Welle Group (as parent), Eisenmann (tech alliance).
Sources#
- 杭州能源环境工程有限公司
- Hangzhou Energy and Environmental Engineering Co., Ltd.
- Hangzhou Energy and Environmental Engineering Co., Ltd.
- Hangzhou Energy and Environmental Engineering Co., Ltd.
- HEEE — 2026-06-27
- 杭州能源环境工程有限公司 — 2026-06-01
- Welle’s Biomass + Green Hydrogen Green Methanol Demonstration Project Enters Operation_FuelCellChina, Your Gateway to China’s Hydrogen Ecosystem — 2026-09-08
- World Biogas Association (WBA) | MEMBER’S PRESS RELEASE: Eisenmann and HEEE announce Global Alliance to Offer Organics Diversion Platform Solution for Wet and Dry Solids-Based Anaerobic Digestion Technologies — 2018-08-09
- Industry
- Energy, Seeds & genetics, Waste & circular economy
- Topics
- Biogas & biomethane, Biomass, bagasse & waste valorisation, Livestock & poultry production/genetics, Biodiesel, HVO & sustainable aviation fuel
- Role
- Producer — “…aling ~350,000 m3/day daily processing capacity (~250,000 m3/day bio-natural gas) across four operational proj…”
- Parent / group
- Weili Environmental Protection Technology Group Co., Ltd. (listed as 300190)
- Why it is bioeconomy
- HEEE is a privately held, China-based biogas and bio-methane EPC/equipment company founded in 1992, providing anaerobic treatment engineering and turnkey services for organic waste and acting as a biogas/biomass industry association leader.
- Found via
- China Everbright Environment Group; Fermenstation; Tsukishima Kikai; Thermax
Bio-solutions it supplies 0
Not yet cited as a supplier in a graded solution.
What they offer
This company does not publish its products or services — we find out through an introduction.
News & status 6
- 2026-09 Latest status: The company continues to operate as a subsidiary of Welle Group, with recent reports in September 2026 confirming its ongoing involvement in biogas and biofuel projects. ↗ ↗ ↗
- 2026-09-08 Welle’s Biomass + Green Hydrogen Green Methanol Demonstration Project Enters Operation_FuelCellChina, Your Gateway to China's Hydrogen EcosystemHEEE (Hangzhou Energy and Environment Engineering Co., Ltd), a Welle Group subsidiary, specializes in anaerobic digestion and biogas purification and is actively pursuing high-value biogas utilization, UCO processing, and pilot collaborations in Sustainable …
- 2026-07-24 EEHE Completes Smart Factory Phase II, Increases Output by 40% - EEHE Doors & WindowsEEHE (EEHE Windows) reports a successful Phase II smart factory upgrade in Foshan, boosting annual production capacity by 40% to over 200,000 units/year, with AI-driven quality control, ERP-MES integration, and German automation. The company highlights shorter …
- 2026-07-18 EEHE Unveils “World Full Protection Day 5.0” and Launches Quality - EEHE Doors & WindowsEEHE (EEHE Doors & Windows) announces its World Full Protection Day 5.0 and Quality Living Strategy, highlighting aerospace-inspired engineering, an EEHE × HIT Industry-Research Collaboration Base for advanced window technologies, standardized installation …
- 2025-04-20 Launch of HEE-500 Hydrogen Production Unit: Advancements in Clean Energy Technology | NenPowerThe article reports the launch of the HEE-500 Hydrogen Production Unit by Hydrogen Energy (North Hunan Hydrogen Energy Technology) in Chongqing, highlighting its compact, CCUS-enabled design aimed at lower-cost, high-purity hydrogen and flexible integration …
- 2026-06-25 EEHE Doors & Windows Recognized as a "Nanhai Heritage Brand"EEHE Doors & Windows is highlighted as a company recognized for its intelligent, large-scale manufacturing and ongoing R&D collaborations (notably with Tsinghua and Harbin Institute of Technology) that support its industry standards, such as the “Three …
- 2025-11-04 2025 Hehe Culture Forum held in Taizhou, ZhejiangThe article presents Hehe Culture (HEHE) as a traditional Chinese philosophy centered on harmony, unity, and mutual cooperation, promoted as a universal value for inclusive development and global dialogue. It frames Hehe Culture as essential to Chinese …
Network: owners, partners, peers
Ownership & investors 2
| parent | Velii Group |
| parent | Weili Environmental Protection Technology Group Co., Ltd |
Partners & deals 2
| counterparty | Welle Group (Jiangsu Welle Environmental Co …The company continues to operate as a subsidiary of Welle Group, with recent reports in September 2026 confirming its ongoing involvement in biogas and biofuel projects.… |
| counterparty | Ltd.) …The company continues to operate as a subsidiary of Welle Group, with recent reports in September 2026 confirming its ongoing involvement in biogas and biofuel projects.… |
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