Hot: Heavy-Metal Test Cards · Pet Test Cards · Antigen/Antibody Raw Materials · Bio Tools National Consultation Hotline: 132-4980-7482 · QQ: 253571399 · E-mail: antiby@126.com
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Kejie Bio — High-Quality Antigen & Antibody Raw Materials

Efficient · Sensitive · Specific · Serving Research and Production
Product Center

Antigen & Antibody Library

20+ categories of antigen and antibody raw materials, plus conjugated-product customization, quality controls and reference standards — covering food safety, aquaculture, pet disease and human diagnostic fields.

Antigen & Antibody Raw Materials

20 + categories
🔬

Custom Conjugation & Technical Services

Labeled-product customization and technical services

🧈

Beta-Agonist Antibody Raw Materials

Clenbuterol · Salbutamol · Ractopamine

🛡

Toxin Antibody Raw Materials

Mycotoxins · marine toxins · diarrhetic shellfish toxins

⚖️

Heavy-Metal Antibody Raw Materials

Lead (Pb) · cadmium · mercury and more

🐟

Aquaculture Bactericide Antibodies

Water products drug-residue detection raw materials

💊

Hormone Antibody Raw Materials

Steroid and peptide hormone antibodies

💉

Antibiotic Antibody Raw Materials

Streptomycin · chloramphenicol · quinolone (FQS) · sulfonamide

🎨

Pigment (Dye) Antibodies

Food-colorant antibody raw materials

🥢

Dairy Additive Antibodies

Milk-additive residue antibodies

💤

Sedative Antibody Raw Materials

Sedative-residue immunoassay raw materials

🩸

Cosmetic & Health-Product Additive Antibodies

Preservative and functional-additive antibodies

🎉

Plasticizer Antibody Raw Materials

Plasticizer-residue detection antibodies

🔬

Bioactive-Substance Antibodies

Physiologically active substance antibodies

🌾

Pesticide Antigen & Antibody Raw Materials

Neonicotinoids · triazoles · carbendazim and more

🐾

Pet-Disease Antigens & Antibodies

PRV gB/gE · CDV · CPV · feline herpesvirus

🩺

Human-Medical Proteins & Antibodies

IgG/IgM secondary antibodies and proteins

🦠

COVID-19 & Monkeypox Antibody Proteins

Viral diagnostic antibody proteins

✂️

Quality Controls & Reference Standards

Multi-level quality controls and reference standards

🔧

Allergen Antigens & Antibodies

Soybean 7S · food-allergen detection raw materials

🔌

Other Raw Materials

Custom immunoassay raw materials on request

Consumables, Instruments & Test Strips

3 categories
🧪

Custom Test Strips

Custom lateral-flow test strip manufacturing

🗃️

Consumables & Others

Immunoassay consumables and accessories

🧮

Instruments & Equipment

Rapid-test supporting equipment

Test Cards / Test Sheets & ELISA Kits

10 categories
🐾

Pet & Animal Disease Test Cards

CPV · CDV · feline herpesvirus rapid test cards

🏤

Human Colloidal-Gold Test Cards

Human medical rapid test cards

🌱

Food-Safety Residue Test Cards / Sheets

Pesticide and drug-residue test cards and large test sheets

🐾

Pet-Disease Test Sheets

Large-format pet disease test sheets

🍲

Food ELISA Kits

OKA okadaic acid · toxin and residue ELISA kits

🐾

Pet & Animal ELISA Kits

Animal-disease ELISA kits

🐰

Rodent (Mouse) ELISA Kits

Mouse-model ELISA kits

Human Chemiluminescence Kits

Human medical chemiluminescent immunoassay kits

🩺

Human Enzyme-Linked Immunosorbent Assay Kits

Human medical ELISA kits

📊

Other ELISA Kits

Custom ELISA kits on request

Best Sellers

Hot Antigen & Antibody Products

High-quality products trusted by thousands of customers — popular raw materials for food safety, pet disease and residue immunoassays.

Pesticide

Thiamethoxam Antigen & Antibody

Thiamethoxam-BSA antigen · thiamethoxam monoclonal antibody

Drug Residue

Furazolidone Antigen & Antibody

Furazolidone monoclonal · AOZ metabolite antigen & antibody

Pet Disease

HRP-Conjugated PRV gE / gB Antibodies

HRP-labeled pseudorabies gE/gB antibodies for PRV ELISA kits and raw materials

Antibiotic

Chloramphenicol Antigen & Antibody

Chloramphenicol monoclonal antibody · CPL antigen

Veterinary

Abamectin Antigen & Antibody

Abamectin monoclonal · Abamectin-BSA antigen

Pesticide

Clothianidin Antigen & Antibody

Clothianidin monoclonal · Clothianidin-BSA antigen

Fungicide

Tebuconazole (TBZ) Antibody

Anti-tebuconazole monoclonal antibody · TBZ antibody

Nutrient

Folic Acid (FA) Antigen & Antibody

Folic acid antigen and antibody raw materials

Mycotoxin

Zearalenone (ZEN) Antibody

Zearalenone monoclonal antibody raw materials

Mycotoxin

Microcystin Antibody

Microcystin antigen & antibody · MC monoclonal antibody

Heavy Metal

Lead (Pb) Heavy-Metal Antibody

Lead antibody · Pb monoclonal antibody raw materials

Pet Disease

Canine Distemper / Parvovirus Antibodies

CDV monoclonal antibody · CPV monoclonal antibody

Why Kejie

The Four Advantages of Kejie

Why research institutions, IVD companies and food-safety manufacturers choose Kejie as their long-term raw-material supplier.

01

Advanced Technology

Professional R&D experience in antigens & antibodies

Technology with advantages and full-coverage products. We continuously innovate high-quality products, communicate efficiently to deliver premium services, and pursue win-win cooperation through broad partnerships.

02

Trustworthy

Quality products trusted by a thousand customers

A trustworthy provider of high-quality research reagents. Long-term supplier of premium antigen and antibody raw materials to dozens of bioproduct companies and university research institutions in China.

03

Quality Assurance

Win customers with quality, create value with reputation

Batch production strictly follows international production standards. We devote ourselves to delivering the best-quality products and services to research institutions, laboratories and universities at home and abroad.

04

Production Capacity

Strong capacity: meet domestic & international demand

With close cooperation and solid partnerships with many domestic and international customers, our strong production capacity fully meets capacity requirements at home and abroad.

About Us

Company Profile

Kejie focuses on the research, development and sales of food-safety antigen/antibody raw materials, pet-disease antigen/antibody raw materials, aquatic drug-residue detection raw materials, food-safety rapid test strips and pet-disease rapid test strips. Through sustained R&D investment and continuous innovation, our self-developed high-quality antibodies — including clenbuterol, salbutamol and ractopamine — have earned wide recognition from domestic and international peers, and are selected by IVD companies and research institutions as a trusted quality supplier.

Our R&D team is a professional group of PhDs and returned overseas scholars. Valuing technical collaboration, we maintain long-term research partnerships with multiple universities and research institutes, continuously expanding and enriching our product lines while steadily improving the quality of our antigens and antibodies.

Our mission: “Provide even better-quality products!” Through sustained R&D investment and our technical advantages in food-safety and pet-disease detection, we are committed to building Kejie into a first-class domestic supplier of food-safety and pet-disease antigen/antibody raw materials.
Kejie company photo
Contact Us

OEM Services & Contact

We welcome OEM cooperation and consultation on antigen/antibody raw materials, test kits, test cards and test strips.

OEM Services

We long-term accept OEM services for food-safety detection kits and rapid test cards, as well as animal-disease diagnostic kits and test cards. Whether you need raw materials, finished kits or custom test strips, please feel free to call and discuss cooperation!

Custom test-strip manufacturing and labeled-product (conjugated) customization are also available — tailored to your assay platform and production needs.

Start a Cooperation Inquiry
  • CompanyShenzhen Kejie Industrial Development Co., Ltd. (Kejie Bio)
  • AddressRoom C1202-4, Building 2, Shenzhen Software Industry Base, No. 87/89/91 Gaoxin South 10th Road, Nanshan District, Shenzhen, China
  • Hotline132-4980-7482 (+86-132-4980-7482)
  • QQ253571399
  • E-mailantiby@126.com
  • Websitewww.antiby.com