Flexible Customization, Reliable OEM Manufacturing for Global Biotech Partners
Custom & OEM Pre-stained Protein Ladder

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Fast English Support — We Respond Within 24 Hours

Flexible Customization

Multiple band combinations,
3 color options available

OEM/ODM Manufacturing

Confidentiality assured
· Scalable capacity
· Trusted by global brands

Quick Delivery

Quote in 24h
· Sample in 7–15 days
· Bulk order in 3–4 weeks

Consistent Quality

ISO 9001 certified
100% batch tested
consistent results guaranteed

Our Core Business

A high-quality supplier of high-end biological reagents serving the life science field

Customized Service

Do you need dedicated pre-stained protein molecular weight markers for your R&D or production lines? Please share your specific requirements (such as molecular weight range, labeling type, etc.), and we will provide you with customized precision solutions.

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One-stop OEM/ODM services

From in-stock procurement to innovative R&D, we comprehensively satisfy all your diverse customization needs.

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Why Choose us

▸ 🔍 Accurate Molecular Weight: Precise molecular weight with minimal variation

▸ 🎨 Customizable Multiple Bands: Abundant bands, fully customizable

▸ ✨ Superior Band Quality: Consistent before/after Coomassie staining

8 - 250 kDa

Broad Range

2.7 - 40 kDa

Low Range

25 - 400 kDa

High Range

2.6-265 kDa

Unstained

About us

X-BiotechTM currently consists of two subsidiaries: Sichuan X-Biotech Co., Ltd. and Anhui X-Biotech Co., Ltd.

The company provides high-end biological reagents and raw materials, premium antigen and antibody raw materials, and technical services for life science research and in vitro diagnostics (IVD). It is committed to replacing imported products and expanding its export business, delivering reliable and cost-effective alternatives to global customers in the biotech sector.

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2016
Founded
10 Years
Innovation and Production Excellence
4000+
R&D and Manufacturing Facility
< 1 %
Lot-to-Lot Consistency
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