华业钢构有限公司是中国能源建设集团浙江火电建设有限公司的全资子公司，是国内最早参与核电建设的制造企业，具备核岛模块装备制造，核电管道、核电电缆桥架、核电箱罐、常规岛主厂房和循泵房制造等业务服务。参加了秦山核电站、三门核电站、海阳核电站、石岛湾核电站、昌江核电站、漳州核电站、巴基斯坦卡拉奇核电站、英国HPC核电站等项目建设。

公司拥有住建部钢结构工程专业承包一级资质、建筑工程施工总承包二级资质、石油化工工程施工总承包二级资质、轻型钢结构工程设计乙级资质；中钢协钢结构制造企业特级资质、锅炉钢结构制造能力一级资质，压力容器(A2级)制造资质，压力管道元件制造资质，门式起重机特级制造资质，通过了美国钢结构协会(AISC)建筑结构、简单桥梁、复杂油漆认证、欧盟EN1090(EXC4)认证、ISO3834认证、俄罗斯GOST-R认证、ASME管道认证。

华业钢构核电装备有限公司是华业钢构有限公司的控股子公司，能同时满足5台套核电管道预制、核岛模块等核电相关产品的供应。

Huaye Steel Structure Co., Ltd.(HYSS) is a wholly owned subsidiary of Zhejiang Thermal Power Construction Company (ZTPC), China Energy Engineering Group Co., Ltd. HYSS is one of the earliest manufacturing enterprises involved in nuclear power engineering. It provides services in the manufacturing of nuclear island module equipment, nuclear pipeline, nuclear power cable trays, nuclear power tanks and boxes, conventional island main plant buildings and circulation pump houses.The company has participated in the construction of many nuclear power plants such as the Qinshan Nuclear Power Plant, Sanmen Nuclear Power Plant, Haiyang Nuclear Power Plant, Shidao Bay Nuclear Power Plant, Changjiang Nuclear Power Plant, Zhangzhou Nuclear Power Plant, Lufeng Nuclear Power Plant, Bailong Nuclear Power Plant, Ningde Nuclear Power Plant, Pakistan Karachi Nuclear Power Plant, and the UK HPC Nuclear Power Plant.

The company holds first-class qualifications for professional contractingin steel structure engineering from the Ministry of Housing and Urban-Rural Development, second-class qualifications forgeneral contracting in construction engineering, second-class qualifications for general contracting in petrochemical engineering, and second-class qualifications for designing light steel structures. It also holds top-level qualifications from the China Steel Structure Association for steel structure manufacturing, first-class qualifications for boiler steel structure manufacturing, qualifications for manufacturing Pressure vessel (A2 level), qualifications for manufacturing pressure piping components, and top-level qualifications for gantry crane manufacturing. HYSS has acquired certifications such as AISC certificate (American Institute of Steel Construction) for building structures, simple bridges, and complex painting, EU EN1090 (EXC4) certificate, ISO3834 certification, Russian GOST-R certificate, and ASME piping certificate. HYSS is a standing member of the China Steel Structure Association and the Vice Chairman of the Boiler Steel Structure Sub-Committee.

Huaye Steel Structure Nuclear Power Equipment Co., Ltd., a subsidiary of Huaye Steel Structure Co., Ltd, can simultaneously supply five sets of nuclear piping prefabrication, nuclear island modules, and other nuclear power- related products.