Technical Support: Equipped with a dedicated team of technical consultants, providing product selection guidance, application process debugging, and laboratory small-scale / pilot-scale supporting services, offering customized process optimization solutions for scenarios such as textile printing and dyeing, and food additives;


Quality Assurance: Issuing authoritative third-party testing reports, establishing a product quality traceability system, responding to quality issues within 48 hours for verification, and providing solutions for returns, exchanges, or technical rectifications;


Logistics After-Sales: Collaborating with professional cold chain / ambient temperature logistics, monitoring transportation status throughout the process, offering quick compensation for damaged or lost goods, and providing expedited delivery services for urgent orders;


Long-term Follow-up: Regularly visiting customers to check on usage, synchronizing product upgrades and technical iteration information, and providing value-added services such as priority technical support and bulk purchase discounts for long-term customers.

After-sales service

The company focuses on personalized customer needs, building a full-cycle customized service system, and empowering industrial upgrading through a three-dimensional customization model of "Product + Process + R&D":


Product Customization: For different fields such as textile printing and dyeing, food additives, beauty and personal care, and pharmaceutical raw materials, we provide customization of parameters such as purity, dosage form, color, efficacy ingredients, and compliance standards (food grade / beauty grade / pharmaceutical grade), such as environmentally friendly dyes for the textile industry, natural colorants for the food sector, and functional biological active ingredients for beauty and personal care;


Process Customization: Combining customers' existing production equipment and capacity requirements, we customize adaptive fermentation processes, purification procedures, and application formulations, providing technical guidance for all stages from lab-scale to pilot-scale to mass production, reducing customers' production line transformation costs and improving production efficiency;


Joint R&D Customization: For common industry pain points or exclusive customer needs, we form dedicated R&D teams, relying on core technologies such as synthetic biology, gene editing, and metabolic engineering, to jointly conduct R&D cooperation on new bio-based products, performance upgrades of existing products, and innovative environmental processes, sharing R&D achievements and industrialization benefits.

Custom Service

Customization Service

Based on its synthetic biology technology platform and industrialization advantages, Daosheng Biology has established an integrated research and study service combining "science popularization and enlightenment + scientific research training + talent co-cultivation." It provides customized solutions for primary and secondary schools and universities:


1. Science Popularization and Research for Primary and Secondary Schools: This includes popular science lectures explaining the principles of synthetic biology and its environmental value; industry exploration tours of fermentation workshops, laboratories, and exhibition halls to understand the entire production chain; and indigo dyeing intangible cultural heritage experiences using synthetic indigo for hands-on practice, comparing it with traditional craftsmanship to highlight environmental advantages.

2. Scientific Research Training for Universities: Jointly build practical teaching bases and provide hands-on resources; conduct scientific research project training with experts guiding the entire experimental process; promote academic exchange and cooperation, sharing data and experience.


Customized services can adjust duration, content, and scale according to school needs, offering a full-process solution. The faculty comprises key enterprise personnel and university professors, ensuring professionalism and industrial applicability.

Daosheng Biology Indigo Q&A

A: From the perspective of production methods, chemical indigo is synthesized chemically and causes significant pollution; plant indigo relies on plant extraction, is limited by nature, and has a complex process; biological indigo utilizes microbial fermentation, is efficient, and is not constrained by natural conditions. In terms of cost, chemical indigo is moderate, plant indigo is expensive, and biological indigo can be reduced to 50%-60% of plant extraction. In terms of environmental friendliness, chemical indigo is highly polluting, plant indigo is relatively environmentally friendly but consumes resources, and biological indigo has no chemical additives and low wastewater discharge. In terms of dyeing performance, chemical and biological indigo have a color fastness of 4-5 levels, with biological indigo having better uniformity; plant indigo has slightly poorer color fastness and more impurities, while biological indigo also possesses antibacterial, deodorizing, and UV-resistant properties.

Q: What is the difference between Daosheng Bio's bio-indigo, chemical indigo, and plant indigo?

Q: How to distinguish biological indigo from chemical indigo?

A: Methods to distinguish biological indigo from chemical indigo include: smelling the odor; biological indigo has a faint fermented smell, similar to a natural scent, while chemical indigo is almost odorless; observing the physical properties; biological indigo powder may be slightly clumpy with a natural color, while chemical indigo powder is fine and uniform with a vibrant color; during the dyeing process, the leuco sodium salt solution of biological indigo dye appears green or yellow-green, while chemical indigo is deep blue. Furthermore, biological indigo requires fewer auxiliaries and shows better color fastness after soap washing; instrumental analysis, such as thin-layer chromatography, can be used. Biological indigo, due to microbial synthesis, may contain indirubin, appearing as purple-red and blue spots, while chemical indigo only shows blue spots. According to Article 6.6 of the 2018 group standard "Indigo for Textile Plant Dyes," plant indigo contains indirubin (strong antioxidant properties), while chemical indigo does not contain indirubin and may have aniline residues.

Q: What is the technical principle of Daosheng Bio's indigo?

A:Daosheng Bio uses synthetic biology technology to introduce the metabolic pathway of plant-derived indigo into microorganisms, constructing an efficient synthesis system and enabling microorganisms to synthesize indigo through gene editing. Subsequently, fermentation engineering is used to culture microorganisms on a large scale, and finally, high-purity bio-indigo is obtained through separation technology, achieving efficient conversion from microorganisms to products.

Q: What are the specific application markets for Daosheng Bio-indigo?

A: Currently, the textile printing and dyeing industry is the main application market, used for dyeing denim to impart a unique blue color with high color fastness and resistance to fading. It is also used for dyeing natural fibers such as cotton, linen, silk, and wool, meeting environmental protection requirements. In the fashion apparel sector, brands use Daosheng Bio-indigo to create eco-friendly collections, attracting environmentally conscious consumers. It is also used for dyeing home textiles such as bedding and curtains, adding natural colors and ensuring environmental friendliness. Furthermore, in the fields of high-end handmade printing and dyeing, and intangible cultural heritage indigo dyeing, it is favored by artists due to its environmental friendliness and excellent dyeing effects. Future markets will include pharmaceuticals, beauty, and food additives.

Q:How to solve the high cost problem of Daosheng Bio's indigo applied to denim?

A:DaoSheng Bio enhances the production of bio-indigo through optimized fermentation engineering and advanced microbial fermentation technology. For instance, a 10-ton fermenter, at 80% filling volume, can produce an amount of indigo in just 3-4 days equivalent to the indigo content from 72,000 kg of Isatis tinctoria grown on 24 mu of land, effectively improving production efficiency and reducing costs. Concurrently, the company is actively pursuing large-scale production, having established the world's first 10,000-liter synthetic bio-indigo production line in Shenzhen. This scale effect lowers unit costs. Furthermore, through continuous R&D and technological improvements to reduce production waste, costs are further compressed, making bio-indigo more cost-effective for denim applications. A new production line is expected to be operational by the end of 2026 in Zhongshan City, Guangdong Province. The completion of this production line will not only significantly increase output but also further optimize production costs, thereby alleviating cost pressures in downstream segments.

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