How should L-Proline be stored?

Store in a cool, dry place, keep away from strong light and heat, and do not freeze.

What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, and Western Union.

Is L-Proline suitable for medical use?

Yes, it is used for amino acid infusions and as a supplement for malnutrition and postoperative recovery.

China High Quality L-Proline with Best Price

Name: China High Quality L-Proline with Best Price
Brand: Tianjin Zhuofeng Biotechnology Co., Ltd.
SKU: 1956014051

Tianjin, ChinaTianjin Zhuofeng Biotechnology Co., Ltd.

US$3.00

1,000 kg

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

CAS No.

147-85-3

Formula

C5h9no2

Model NO.

food additives

EINECS

205-702-2

Packaging Material

Paper

Storage Method

Normal

Shelf Life

>12 Months

Nutrient Composition

Protein

Resource

Natural

The content of active substances

＞90%

Payment

50% Tt in Advance, 50% Tt Against Copy Bl

MOQ

1000kg

Appearance

White Powder

Type

Organic Intermediate

Transport Package

Bag

Specification

25kg/Bag

Trademark

Origin

China

HS Code

2914620000

Production Capacity

1000 Tons/Year

Key features

High Purity Active Content: Active substance content exceeds 90%, with assay results reaching 99.9%.

Multi-Industry Application: Widely used in pharmaceuticals, food additives, cosmetics, and biochemical research.

Collagen Synthesis Component: Major component of collagen and essential for human protein synthesis.

Plant Stress Tolerance: Improves plant cold tolerance and accumulates under drought or salinity stress.

Factory Direct Supply: High-quality products directly supplied from the factory ensuring sufficient stock.

24/7 Online Support: Professional service team available 24 hours online to solve customer problems.

Flexible Customization: Offers full, minor, and flexible customization from samples and designs.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.

Company profile

High Repeat Buyers ChoiceExperienced TeamIn-stock CapacityCustomization from Samples

Tianjin Zhuofeng Biotechnology Co., Ltd.

Tianjin, China

Business Type: Manufacturer/Factory, Trading Company, Other, Group Corporation CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤9.40h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with R&D personnel, broad customization options, ODM services, and OEM experience for well-known brands. It holds ISO 9001, ISO 22000, and GMP certifications and reports quality-control staffing and broad export-market coverage. However, it launched no new products in the past year, lacks 3D software and SDK capabilities, and has no documented service-assessment or corrective/preventive-action procedures. Complaint handling is supported by a clear procedure and records. Evidence is insufficient to confirm financial strength, production performance, or specific customer cases.

Supplier typeThe supplier is explicitly described as a professional technical supplier. Its stated business scope includes food additives, specialized chemicals, machinery, building materials, textiles, graphene materials, software and auxiliary equipment, indicating a diversified product and business profile.

CertificationsThe supplier reports holding ISO 9001, ISO 22000, and GMP certifications. These are explicit certifications relevant to quality, food-safety, and manufacturing management, although the slices do not provide certificate validity or scope details.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records, and reported service lead times of within 15 workdays in both peak and off-season. However, it has no written service-capability assessment procedures or corrective/preventive-action records, so the evidence supports complaint handling but not a fully documented service system.

R&D capabilityThe supplier has two R&D engineers and provides ODM services, but it launched no new products in the past year and lacks both 3D software design services and an available SDK. The evidence shows some R&D and design capability, but also clear limitations in recent product innovation and software-related development.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full, minor, and flexible customization, and also provides ODM services. This is direct evidence of broad customization support, despite the lack of 3D software design capability.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of experience serving branded customers. No customer names, product examples, order details, or independently verifiable case records are provided.