Shaanxi Guanjie Technology Co., Ltd was established in 2004. We have focused on providing health ingredients products for customers in supplement, food and cosmetics industries. Our main products include Phosphatidylserine, Phosphatidylcholine, Indole-3-Carbinol, 3,3'-Diindolylmethane and so on.
Our Core Products
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PhosphatidylserinePhosphatidylserine is our powerful product. We offer different forms to meet different application needs, including common phosphatidylserine powder, liquid, water-soluble powder, and granular forms.
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PhosphatidylcholineOur phosphatidylcholine products include soy liquid lecithin, lecithin powder (PC20-40), waxed lecithin (PC50-98), sunflower lecithin powder, waxed lecithin (PC50-70), egg yolk lecithin powder (PC30) and waxed lecithin (PC80-98).
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Indole-3-CarbinolOur Indole-3-carbinol is produced using an advanced, toluene-free process. Compared to standard market products, it has higher crystallinity, a whiter appearance, and supports customized crystallization forms.
Guanjie Biotech’s Exhibitions
2024 Supplyside West
2024 Supplyside West
2024 vitafoods Europe
2024 vitafoods Visa
2025 CPHI Shanghai
2025 CPHI Shanghai
2025 CPHI Shanghai
2025 Supplyside West
2025 vitafoods visa
2025 Vitaoods Europe
We promise to find the right product for you
Our Hot Sale Products
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Bulk PhosphatidylserinePS powder，PS oil & PS Granular
Appearance: Light yellow powder,granular &... -
Our Faq Us
Why Choose Guanjie Biotech?
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What’s Your Advantage?
We have focused on plant extract for 20 years. Our company is backed by a strong technical foundation, supported by an independent research and development center. We can support customized plant extract solutions.
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How Do You Ensure Product Quality?
We implement strict quality control throughout the entire production process. Advanced analytical methods such as HPLC, UV, and GC, along with high-end testing equipment, are used to ensure each batch meets rigorous quality and purity standards.
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What Services Can You Provide?
Quality first, customer first is our principle. We are a professional team specialized in the research, production, and global trade of natural plant products, which support sale-before and sale-after service.
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Can I Get Samples?
Yes, we offer free samples for testing and evaluation prior to commercial orders. This allows customers to verify product quality and suitability before making a purchasing decision.
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What About Your Shipping way?
1KG~50KG by FEDEX/DHL;50KG~200KG by Shipping by AIR/>200KG By SEA
Certificates
We Promise To Find You The Right Equipment
Latest News And Events
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Mar 30, 2026What Is Diindolylmethane Good For?Diindolylmethane DIM is a naturally occurring compound formed in the body. Scientifically, it is from indole-3-carbin... -
Mar 26, 2026Is Astaxanthin Safe For Dogs?Yes, natural astaxanthin is widely considered safe for dogs. Major regulatory agencies have used it as a dog food add... -
Mar 25, 2026Is Hydrolyzed Collagen From Fish?Hydrolyzed Fish Collagen Powder is a widely used functional ingredient in the nutraceutical, food, cosmetic, and phar... -
Mar 24, 2026How To Increase Phosphatidylserine?PS 100 phosphatidylserine is a critical phospholipid component of cell membranes, especially in the brain, where it p... -
Mar 20, 2026How To Remove Esculin From Horse Chestnut Extract?Removing esculin from horse chestnut extract powder is a critical step in producing safe, standardized, and commercia... -
Mar 18, 2026What Color Should Resveratrol Be?Pure resveratrol powder is a naturally occurring polyphenolic compound widely recognized for its antioxidant, anti-ag...