What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off seasons.

How should the product be stored?

It should be stored at normal temperature.

Giant Knotweed Extract Polygonum Cuspidatum Extract Grape Skin Extract 99% Trans Resveratrol Powder

Name: Giant Knotweed Extract Polygonum Cuspidatum Extract Grape Skin Extract 99% Trans Resveratrol Powder
Brand: Suzhou Greenway Biotech Co., Ltd.
SKU: 940047555

Jiangsu, ChinaSuzhou Greenway Biotech Co., Ltd.

US$260.00

1-9 kg

US$250.00

10-24 kg

US$240.00

25-49 kg

US$230.00

50+ kg

Sample price:US$250.00/kg.Request sample

Product profile

Customization

Available

CAS No.

Formula

Model NO.

E-30

EINECS

Type

Synthesis Material Intermediates

Appearance

Powder

Quality

Refined

Colour

White

Type

Skin Care

Function

Moisturizer, Anti-Aging, Whitening/Lightening, Anti-Wrinkle

Certification

GMP

Quality Guarantee Period

Two Years

Store Method

Normal Temperature

Main Ingredient

Resveratrol

Group

Adult

Cosmetics Approval No.

Appearence

White Powder

Sample

Available

Test Method

HPLC

Other Names

Resveratrol

Shelf Time

2 Year

Transport Package

1kg/Bag; 25kg/Drum

Specification

99%

Trademark

GREENWAY

Origin

Jiangsu, China

HS Code

2942000000

Production Capacity

30000kg

Key features

High Purity 99%: 99% Trans Resveratrol Powder with high quality refined appearance.

Natural Antioxidant: Reduces blood viscosity, inhibits platelet aggregation, and maintains blood flow.

Anti-Cancer Support: Helps prevent cancer occurrence and has tumor suppression functions.

Cardiovascular Protection: Regulates blood lipid metabolism and inhibits cholesterol deposition.

Anti-Aging & Whitening: Used in skin care for anti-aging, whitening, and anti-wrinkle effects.

Bone Health Support: Promotes bone cell growth to maintain bone health.

GMP Certified: Produced under GMP certification with a two-year quality guarantee.

Fast Delivery: Average lead time within 15 workdays for both peak and off seasons.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceIn-stock CapacityFast Delivery

Suzhou Greenway Biotech Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-04-21Nearest Port: shanghaiAverage Response Time: ≤7.17hTerms of Payment: T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummarySuzhou Greenway Biotech Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory, with 12 employees and products spanning glutathione, NMN, pharmaceutical intermediates, cosmetic materials, and nutritional supplements. It offers customization from samples and designs, ODM services, and OEM services for popular brands, but reported no new products in the past year and no professional technical R&D capability, 3D software design, or SDK availability. Export sales account for 90%, with Shanghai Port proximity and multiple quotation and payment terms. The supplier has participated in the PCHi offline trade show but has no overseas showroom, agents, or branches. Procedures for supplier assessment, corrective actions, complaint handling, and quality assurance are incomplete, undocumented, or unknown. The provided information does not establish certifications, verified financial strength, production scale, or specific customer cases.

Supplier typeThe supplier is identified as both a trading company and manufacturer/factory, legally organized as a limited company. It has 12 employees and operates in health and medicine and chemicals, indicating a small formally registered supplier with both trading and manufacturing positioning.

After-Sales capabilityThe supplier accepts several quotation and payment terms and has procedures for customer complaints, but the complaint-handling procedure has no written records. It has no overseas showroom, agents, or branches, and offers overseas services in zero countries, limiting verified local after-sales coverage.

R&D capabilityThe supplier reported no new products during the past year, no professional technical R&D capability, no 3D software design service, and no SDK availability. Although it offers ODM services, the explicit evidence indicates limited demonstrated innovation capability.

Customization capabilityThe supplier explicitly provides customization from samples and designs, as well as ODM services and OEM services for popular brands. These offerings provide direct evidence of product customization and contract manufacturing support.