Introduction to Proteins, Peptides, and Amino Acids
Proteins, peptides, and amino acids are fundamental components of life and play crucial roles in various biological processes. Amino acids are the building blocks of proteins and peptides. There are 20 standard amino acids that can be linked together in different sequences and lengths to form proteins and peptides. Proteins/Peptides/Amino Acids

Proteins are large, complex molecules that are essential for the structure, function, and regulation of the body’s tissues and organs. They are involved in processes such as enzyme catalysis, immune response, and transportation of molecules. Peptides, on the other hand, are shorter chains of amino acids. They can act as signaling molecules, regulating various physiological functions in the body.
In China, there are many factories dedicated to the production of high – quality proteins, peptides, and amino acids. Here are the top 10 factories in this field:
1. Shaanxi Hibo Biotechnology Co., Ltd.
Shaanxi Hibo Biotechnology Co., Ltd. is a leading enterprise in the field of biotech products related to proteins, peptides, and amino acids. The company is committed to research, development, production, and sales of a wide range of natural plant extracts and biological active ingredients. It has advanced production equipment and a strict quality control system, ensuring the high quality and stability of its products.
Website: https://www.hibobio.com/
Features in Proteins/Peptides/Amino Acids:
- Offers a diverse range of amino acid – rich products derived from natural sources.
- The production process emphasizes environmental protection and sustainability.
- Carries out in – depth research on peptide synthesis to meet the specific needs of different customers.
Advantages:
- Strong R & D team with rich experience in the biotech field.
- High – standard production facilities that comply with international quality standards.
- Good after – sales service and a stable supply chain to ensure timely delivery.
2. Evonik Degussa (China) Co., Ltd.
Evonik Degussa is a well – known global specialty chemicals company, and its Chinese branch is also very active in the production of amino acids. With a long – standing history and advanced technology, the company has a solid reputation in the market.
Features in Proteins/Peptides/Amino Acids:
- Specializes in the production of high – purity essential amino acids, such as lysine and methionine.
- Has established a complete quality management system from raw material procurement to product delivery.
- Conducts continuous innovation in production technology to improve production efficiency and product quality.
Advantages:
- Global R & D resources can be shared, enabling the company to keep up with the latest technological trends.
- High – end production equipment ensures the stability and consistency of product quality.
- A wide sales network can quickly respond to the needs of different regions.
3. Hisun Pharmaceuticals Co., Ltd.
Hisun Pharmaceuticals is a large – scale pharmaceutical enterprise in China. It has a strong R & D and production capacity in the field of proteins and peptides, especially in the development of pharmaceutical – grade products.
Features in Proteins/Peptides/Amino Acids:
- Focuses on the production of peptides for medical applications, such as growth hormones and insulin – like peptides.
- The production process is strictly in line with GMP (Good Manufacturing Practice) standards.
- Has a professional R & D team for peptide drug development, which can carry out in – depth research on the mechanism of action of peptides.
Advantages:
- Rich experience in pharmaceutical production and a high – level quality control system.
- Strong financial support for continuous R & D investment.
- Good cooperation with domestic and foreign research institutions, which helps to introduce advanced technologies.
4. Meihua Holdings Group Co., Ltd.
Meihua Holdings Group is a leading enterprise in the amino acid industry in China. It has a large – scale production base and a complete industrial chain.
Features in Proteins/Peptides/Amino Acids:
- Major products include glutamic acid, lysine, and threonine with high production volume.
- Adopts advanced fermentation technology, which can effectively reduce production costs.
- Continuously expands product lines and explores new applications of amino acids.
Advantages:
- Economies of scale in production, resulting in competitive product prices.
- A complete industrial chain from raw material supply to product sales ensures stable supply.
- Strong brand influence in the domestic and international markets.
5. Anqing Hexing Chemical Co., Ltd.
Anqing Hexing Chemical is an important player in the production of amino acids and related chemical products. It has a certain technical strength in the field of chemical synthesis of amino acids.
Features in Proteins/Peptides/Amino Acids:
- Specializes in the chemical synthesis of small – molecule amino acids with high purity.
- The production process is optimized to improve product yield and quality.
- Focuses on the development of new synthesis routes to meet the needs of different customers.
Advantages:
- Professional R & D team with in – depth knowledge of chemical synthesis.
- Well – maintained production facilities for the stable production of high – quality products.
- Strong ability to customize products according to customer requirements.
6. Ajinomoto (China) Co., Ltd.
Ajinomoto is a well – known international food and chemical company. Its Chinese subsidiary is actively involved in the production and sales of amino acids, especially in the field of food additives.
Features in Proteins/Peptides/Amino Acids:
- Produces a variety of food – grade amino acids, such as monosodium glutamate (MSG), with high – quality standards.
- Conducts in – depth research on the application of amino acids in the food industry to improve food flavor and nutritional value.
- Has a strict quality traceability system for all products.
Advantages:
- Global brand influence and high – end product positioning.
- Rich experience in food – related R & D and production.
- Wide distribution channels in the food market in China.
7. Changchun Hi – Tech Industries (Group) Inc.
Changchun Hi – Tech Industries is a comprehensive high – tech enterprise. It has made remarkable achievements in the production of protein – based drugs and peptides in the biotech field.
Features in Proteins/Peptides/Amino Acids:
- Focuses on the production of recombinant proteins and peptides for medical treatment, such as interferon and interleukin.
- Uses advanced genetic engineering technology in protein production.
- Aims at the high – end market with high – quality and high – value – added products.
Advantages:
- Strong R & D capabilities in the field of biotechnology.
- Good cooperation with research institutions for product innovation.
- Advanced production facilities and strict quality control in line with international norms.
8. Shenzhen Neptunus Bio – engineering Co., Ltd.
Neptunus Bio – engineering is a biotech company that attaches great importance to the R & D and production of proteins and peptides for health care products.
Features in Proteins/Peptides/Amino Acids:
- Develops a series of peptide – based health care products with different functions, such as anti – aging and immune – enhancing effects.
- Emphasizes the use of natural ingredients and gentle extraction methods to ensure product safety.
- Conducts scientific research on the health benefits of its products to provide reliable evidence.
Advantages:
- Strong market awareness and marketing capabilities in the health care product market.
- Ability to develop new products according to market trends and consumer needs.
- A good reputation for product quality and safety in the market.
9. Inner Mongolia Shuangxin Biological Technology Co., Ltd.
Inner Mongolia Shuangxin Biological Technology is mainly engaged in the production of amino acids through fermentation. It takes advantage of local resource endowments to develop a stable production base.
Features in Proteins/Peptides/Amino Acids:
- Specializes in the production of feed – grade amino acids, such as valine and isoleucine.
- Optimizes the fermentation process to improve the efficiency and quality of amino acid production.
- Actively explores international markets for export – oriented development.
Advantages:
- Access to rich local raw materials, which helps to reduce production costs.
- Good production management system to ensure large – scale and stable production.
- Potential for continuous expansion and product upgrading.
10. Zhejiang NHU Co., Ltd.
Zhejiang NHU is a leading fine chemical and pharmaceutical company. It has a certain position in the production of amino acids and related derivatives.

Features in Proteins/Peptides/Amino Acids:
- Produces a variety of amino acid derivatives with high added value.
- The production process combines chemical synthesis and biological fermentation technologies.
- Focuses on environmental protection and sustainable development in production.
API Advantages:
- Comprehensive R & D and production capabilities in the field of fine chemicals.
- Strict quality control and product testing procedures.
- Good brand image and market competitiveness at home and abroad.