
ZHEJIANG SHUANGNIAO MACHINERY CO.,LTD. manufactures hoisting and lifting equipment, specializing in chain hoists and electric hoists with internationally recognized certification credentials.
ZHEJIANG SHUANGNIAO MACHINERY CO.,LTD. (Shuangniao / Two Birds Machinery, TBM) designs, manufactures and services a broad range of hoisting products and lifting equipment. Its portfolio covers chain hoists, lever hoists, electric hoists, manual trolleys, stage hoists and related lifting solutions, serving customers across industrial and professional lifting applications.
Positioned as a pioneer in China’s lifting industry, the company emphasizes product development, engineering capability and modern production resources, including advanced German chain production lines and the integration of Japanese manufacturing technology. With a focus on dependable performance and consistent quality, TBM has built long-term recognition for its "SM" and "Double Bird" branded crane and hoist series.
The company’s products are exported broadly, reaching markets in Europe, the United States, Australia and Southeast Asia, with coverage of nearly 50 countries and regions. Guided by the principle of surviving by quality and serving customers wholeheartedly, TBM welcomes global partners to visit and collaborate.

Provides end-to-end capability covering research and development, design, production and service for a wide range of hoists and lifting equipment.
Operates with advanced German chain production lines and applies Japanese manufacturing technology to support stable quality and efficient production.
Operates under the principle of surviving by quality and putting customer service at the center of every engagement.
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