Longkou, Shandong · Est. 1990 · OEM / ODM

Private Label
Detergent
OEM Factory

600,000 tons/year production capacity. Laundry powder, laundry liquid, dishwashing liquid, fabric softener and household cleaners — fully customized for your brand, shipped to 70+ countries.

🏭 600,000 Tons/Year Capacity ✅ ISO 9001 Certified 🌍 SEDEX Member 📦 Exports to 70+ Countries
💬 Request a Quote via WhatsApp
Topseller Chemicals factory aerial view
1990
Year Founded
600K
Tons/Year Capacity
600+
Factory Employees
70+
Countries Exported To
Hot Products

Detergents for Every Market

From laundry powder to liquid detergents, dishwashing liquid to household cleaners — all products fully customizable with your brand, formula and packaging.

Laundry Detergent Powder
Laundry Detergent Powder
Phosphate & non-phosphate, 15g–1000kg
Laundry Liquid Detergent
Laundry Liquid Detergent
Concentrated & standard formulas
Dishwashing Liquid
Dishwashing Liquid
Grease-cutting, gentle-on-hands formulas
Fabric Softener
Fabric Softener
Long-lasting scent, anti-static
Household Cleaners
Household Cleaners
Multi-surface, kitchen, bathroom
Soap Bars
Soap Bars
Laundry & personal care soap
Full Product Range

All Categories Available for OEM

Every product below is available for private label — custom formula, density, scent, packaging and branding.

🧺
Laundry Powder
Phosphorus, non-phosphorus, concentrated
💧
Laundry Liquid
Standard & concentrated formulas
🍽️
Dishwashing Liquid
Grease-cutting, gentle formulas
🌸
Fabric Softener
Scented, anti-static, concentrated
🏠
Household Cleaners
Kitchen, bathroom, multi-surface
🧼
Soap Bars
Laundry soap, solid soap
About the Factory

Longkou Topseller — Large-Scale Detergent Manufacturing

Located in Longkou, Yantai City, Shandong Province — 180km from Qingdao port, 100km from Yantai port, and just 6km from Longkou port for fast international shipping.

  • 100,000 sqm factory with 20,000+ sqm of warehouse space
  • ISO 9001 certified since 2000, SEDEX member
  • Two high-tower spray-dried production lines plus concentrated powder equipment
  • 600,000 tons/year total capacity across powder, liquid and dishwashing lines
  • Packaging: sachet, bag, box, bucket — 15g to 1000kg specifications
  • OEM/ODM experience since 1998 for major domestic and international brands
  • Own in-house packaging design and printing via group affiliate
✉️ Email Ellen Qu
Topseller Chemicals factory aerial view
35+
Years Experience
Private Label Process

Your Brand on Shelves in 6 Steps

Complete turnkey OEM service — formula, packaging design, production and delivery. You focus on selling, we handle the rest.

Consultation
Share your target market, product type, volume, packaging preference. Ellen responds within 24 hours.
Formula Selection
Choose from existing formulas or request fully custom. Density, active ingredients and fragrance all configurable.
Packaging Design
Your logo, colours and label designed across your chosen pack format — sachet, bag, box or bucket.
Sample Production
Physical samples produced for approval, with full QC report and ingredient documentation.
Mass Production
High-tower spray-dried and concentrated production lines. Strict quality control at every stage.
Export & Delivery
FCL / LCL shipping from Qingdao / Yantai / Longkou ports. Full export documentation provided.
Factory Gallery

Inside the Topseller Factory

A look at our production environment, packaging lines and finished products.

Topseller Chemicals factory aerial view
Detergent manufacturing
Topseller packaging
Certifications & Compliance

Globally Certified Quality

Products manufactured to international regulatory standards. Certificates and test reports provided with every order.

🏅
ISO 9001
Quality management, since 2000
🌍
SEDEX Member
Ethical & responsible sourcing
🔬
SGS Tested
Third-party verified
🇪🇺
REACH Compliant
EU market ready
♻️
Phosphate-Free Options
Eco-friendly formulas
📦
Custom Packaging
In-house design & printing
Get in Touch

Ready to Launch Your Detergent Brand?

Contact Ellen Qu directly — your dedicated sales contact for Topseller Chemicals. Sample requests, pricing and custom enquiries welcome.

💬 WhatsApp Ellen Qu 📞 +86 133 8126 0729 ✉️ ellenqu8888@gmail.com 🌐 topsellerchemicals.com