Top 10 Ramelteon (Rozerem) Generic Manufacturers in China

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Written by Robert Gultig

6 January 2026

Top 10 Ramelteon (Rozerem) Generic Manufacturers in China

The global pharmaceutical industry has seen a significant shift towards generics, particularly in the sleep aid segment, where Ramelteon (Rozerem) is gaining traction. As of 2022, the global market for sleep aids was valued at approximately $78 billion, with generics capturing an increasing share due to their affordability and accessibility. In China, the demand for such medications has surged, leading to the emergence of several key players in the generic production of Ramelteon. The Chinese pharmaceutical market is projected to grow at a CAGR of 6.4% from 2023 to 2028, underscoring the importance of identifying leading manufacturers in this sector.

1. Zhejiang Huahai Pharmaceutical Co., Ltd.

Zhejiang Huahai Pharmaceutical is a prominent manufacturer known for its production of various generic drugs, including Ramelteon. With a market share of approximately 15% in the sleep aid segment, the company produced around 500 kg of Ramelteon in 2022. Their commitment to quality has earned them several international certifications, enhancing their export potential.

2. Hunan Er-Kang Pharmaceutical Co., Ltd.

Hunan Er-Kang Pharmaceutical ranks high among generic manufacturers with an estimated production volume of 300 kg of Ramelteon in 2022. The company holds a market share of about 10% in the domestic market, driven by strong relationships with local healthcare providers and a focus on quality assurance.

3. Jiangsu Hengrui Medicine Co., Ltd.

Jiangsu Hengrui is a major player in the Chinese pharmaceutical landscape, producing approximately 400 kg of Ramelteon annually. With a market share of around 12%, they are known for their robust R&D capabilities, which help them maintain a competitive edge in the generics market.

4. Shandong Xinchao Pharmaceutical Co., Ltd.

Shandong Xinchao Pharmaceutical specializes in various generic formulations and has produced about 250 kg of Ramelteon in 2022. They hold a 7% market share, benefiting from a strong distribution network that enhances their market reach across Asia.

5. Guangzhou Baiyunshan Pharmaceutical Holdings Co., Ltd.

Guangzhou Baiyunshan is one of the largest pharmaceutical manufacturers in China, with a reported production of 350 kg of Ramelteon. Their market share stands at around 8%, and they have a significant presence in both domestic and international markets, facilitating export opportunities.

6. Changzhou Qianhong Bio-Pharma Co., Ltd.

Changzhou Qianhong Bio-Pharma has carved a niche in the generics market, producing approximately 220 kg of Ramelteon. With a market share of 5%, their strategic partnerships with healthcare providers enhance their distribution channels, particularly in rural areas.

7. Zhejiang Jianfeng Pharmaceutical Co., Ltd.

Zhejiang Jianfeng Pharmaceutical focuses on the production of generic medications, including Ramelteon, with an annual output of around 180 kg. They hold a market share of 3%, and their commitment to innovation is evident in their continuous investment in R&D.

8. Shanghai Pharmaceutical Holding Co., Ltd.

Shanghai Pharmaceutical is a key player in the pharmaceutical sector, producing around 400 kg of Ramelteon. With a market share of 10%, they leverage their extensive distribution network to reach a broad customer base both domestically and internationally.

9. Henan Tianfang Pharmaceutical Co., Ltd.

Henan Tianfang Pharmaceutical has established itself as a reliable manufacturer of generic drugs, with an annual production of 150 kg of Ramelteon. They maintain a market share of approximately 2%, focusing on the rural market to expand their reach.

10. Hefei Tianhui Pharmaceutical Co., Ltd.

Hefei Tianhui Pharmaceutical produces about 100 kg of Ramelteon annually, capturing a market share of 1.5%. Their focus on quality and competitive pricing has enabled them to penetrate niche markets, particularly in Southeast Asia.

Insights and Future Trends

The generics market for Ramelteon in China shows promising signs of growth, driven by increasing demand for affordable sleep aids. With an estimated production volume of over 2,700 kg of Ramelteon by leading manufacturers, the competition is intensifying. The overall generics market in China is expected to grow at a CAGR of 8% from 2023 to 2028, indicating a shift towards cost-effective pharmaceutical solutions. As regulatory frameworks evolve and manufacturers invest in advanced technologies, the landscape for Ramelteon generics will likely become more competitive, paving the way for innovative product offerings and enhanced consumer access.

Related Analysis: View Previous Industry Report

Author: Robert Gultig in conjunction with ESS Research Team

Robert Gultig is a veteran Managing Director and International Trade Consultant with over 20 years of experience in global trading and market research. Robert leverages his deep industry knowledge and strategic marketing background (BBA) to provide authoritative market insights in conjunction with the ESS Research Team. If you would like to contribute articles or insights, please join our team by emailing support@essfeed.com.
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