What certifications does the product have?

The product holds SGS and ISO certifications and is tested for safety including heavy metals, residual solvents, and microbial limits.

Premium 99% Assay Amino Acid Proline Powder for Different Grade Use

Name: Premium 99% Assay Amino Acid Proline Powder for Different Grade Use
Brand: Tianjin Zhuofeng Biotechnology Co., Ltd.
SKU: 2064281652

Tianjin, ChinaTianjin Zhuofeng Biotechnology Co., Ltd.

US$1.86

1,000-1,999 kg

US$1.62

2,000+ kg

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

Type

Proline

Chemical Character

Acidity

Model NO.

proline

Appearance

Powder

Color

White

Quality

Refined

Sample

Available

Certifications

SGS; ISO

Transport Package

Bag

Specification

99%

Trademark

zhuofeng

Origin

China

HS Code

293590009

Production Capacity

3000kg/Year

Key features

High Purity Assay: Premium 99% assay L-proline powder meeting USP standards.

Versatile Applications: Used in food, medicine, amino acid infusion, and organic synthesis.

Flexible Packaging: Available in 1kg to 200kg options with vacuum sealed aluminum foil bags.

Customization Support: OEM/ODM services available with full, minor, and sample-based customization.

Strict Quality Control: Complies with SGS and ISO certifications; tested for heavy metals and pathogens.

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.

Product Q&A

Q:What is the purity level of the Proline powder?

The product is a premium grade with a 99% assay, conforming to USP standards.

Q:What are the main applications of L-proline?

It is used as a nutritional supplement, flavoring agent, raw material for amino acid infusion, and an intermediate for synthesizing antihypertensive drugs like Captopril.

Q:What packaging options are available?

We offer flexible packaging from 1kg to 200kg, using double-layer vacuum sealed aluminum foil bags inside high-hardness cartons.

Q:Does the supplier offer OEM or ODM services?

Yes, we provide OEM and ODM services, including full customization, minor customization, and customization from samples or designs.

Q:What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 unit, allowing for small trial orders.