Why Choose KOLARWIN
Premium Quality Control
Every product undergoes 100% inspection with strict QC protocols. Our rigorous testing ensures zero-defect delivery, protecting your brand reputation and reducing return rates.
10+ Years Export Experience
Trusted by wholesalers and brands across USA, EU, and Australia. Our deep understanding of international standards means your products meet market requirements seamlessly.
Flexible OEM Services
From logo customization to private mold development, we support your brand building at every step. Low MOQ options make it easy to launch your own product line with minimal risk.
Reliable Delivery
15-35 day production cycles with 99.5% on-time shipping rate. Our efficient workflow and inventory management ensure you never miss a selling season or retail deadline.
Competitive Pricing
Direct factory pricing without middleman markups. Our streamlined production and bulk material purchasing power translate into better margins for your business.
90-Day After-Sales Support
24/7 customer service with dedicated account managers. Our comprehensive warranty coverage and responsive support team give you peace of mind on every order.
Partner with a supplier who delivers quality, reliability, and value.
Contact Us TodayHot Products
Hot
20-Piece Impact Socket Set
Chrome Molybdenum Steel | 1/2" Drive | 10-32mm Range | Black Phosphate Finish
View Details
New
Deep Impact Socket Set
CR-V Steel | 3/8" Drive | Extended Reach | Laser Marked Sizes
View Details
Popular
Universal Joint Socket Adapter
Heat-Treated Steel | 360° Swivel | Anti-Corrosion Coating | Multi-Angle Access
View Details
Hot
Precision Torque Wrench
±3% Accuracy | Dual-Scale Reading | Click-Type Mechanism | Case Included
View Details
Socket Organizer Tray
Heavy-Duty ABS | 36-Slot Design | Tool Box Compatible | SAE & Metric
View Details
New
Hex Bit Socket Set
S2 Tool Steel | 12-Piece | 2-14mm Range | Magnetic Holder Included
View Details
Extension Bar Set
Chrome Vanadium | 5-Piece | 2"-10" Lengths | Spring-Loaded Ball Bearing
View Details
Best Seller
150-Piece Master Socket Set
Complete Tool Kit | Blow Mold Case | SAE & Metric | Lifetime Warranty
View DetailsExplore our complete range of professional-grade hand tools and accessories.
View All ProductsOEM & ODM Services
Build your brand with our comprehensive customization capabilities. From concept to delivery, we support your vision every step of the way.
Logo Customization
Silk-screen printing, laser engraving, and embossing options available. Your brand identity featured prominently on every product, building recognition and customer loyalty.
Packaging Design
Custom retail packaging that stands out on shelves. We offer blister cards, color boxes, and blow mold cases designed to enhance perceived value and drive sales.
Colorway Customization
Match your brand colors with custom handle colors, coatings, and finishes. Create a cohesive product line that reinforces your brand identity across all SKUs.
Private Mold Development
Exclusive tool designs with proprietary molds owned by you. Differentiate from competitors with unique products that cannot be copied, giving you a market advantage.
Ready to create your own branded product line? Let's discuss your requirements.
Start Your OEM ProjectFactory Strength
Our state-of-the-art manufacturing facility combines advanced machinery with skilled craftsmanship to deliver products that exceed expectations.
Experience our manufacturing capabilities firsthand. Schedule a factory visit or virtual tour.
Schedule Factory TourProduction Process
Raw Material Inspection
Every batch of CR-MO and CR-V steel undergoes rigorous chemical composition analysis and hardness testing before entering production.
Precision Forging & Machining
Advanced CNC equipment shapes each socket with ±0.02mm tolerance, ensuring perfect fit and consistent performance across all units.
Heat Treatment
Controlled quenching and tempering process achieves optimal hardness (HRC 38-42) for maximum torque resistance and durability.
Surface Treatment
Black phosphate coating or chrome plating provides superior corrosion resistance, extending product lifespan in demanding environments.
Final Quality Control
100% inspection including dimensional verification, torque testing, and visual examination guarantees zero-defect delivery to your warehouse.
Every step engineered for excellence. See how we maintain quality at scale.
Download Process GuideCore Advantages
High Torque Resistance
Our impact sockets are engineered to withstand extreme torque loads without cracking or deforming, ensuring safety and reliability in professional applications.
Strict QC Protocol
Multi-stage inspection system with 100% final testing eliminates defects before shipping. Your reputation is protected with every order that leaves our facility.
Competitive Pricing
Direct factory access eliminates middleman markups. Bulk material purchasing and efficient production translate into better margins for your business.
Flexible MOQ
Low minimum order quantities enable trial orders and product testing without major capital commitment. Scale up confidently as your market grows.
Fast Sampling
7-day sample delivery with 1-hour design drafts gets your product development moving quickly. Test market response before committing to bulk orders.
Global Export Experience
12+ years serving US, EU, and Australian markets with deep understanding of regional standards, certifications, and compliance requirements.
Experience the KOLARWIN difference. Quality, speed, and value in every order.
Request SampleCertifications & Qualifications
Our commitment to quality is validated by internationally recognized certifications and rigorous third-party audits.
ISO 9001:2015
Certified quality management system ensuring consistent product quality and continuous improvement processes across all operations.
BSCI Audited
Business Social Compliance Initiative certification demonstrates our commitment to ethical labor practices and safe working conditions.
CE Certified
European conformity marking confirms our products meet EU safety, health, and environmental protection requirements for the European market.
SGS Test Reports
Independent third-party testing by SGS validates material composition, mechanical properties, and performance specifications for buyer confidence.
Request copies of our certifications and test reports for your compliance documentation.
Download CertificatesWhat Our Partners Say
"We've been sourcing impact sockets from KOLARWIN for 5 years. Their quality consistency is exceptional—we've had less than 0.1% returns. The 90-day warranty gives our customers confidence, and their quick response to any issues has made them our go-to supplier."
"As an Amazon seller, I needed a supplier who could handle both small trial orders and large restock quantities. KOLARWIN's flexible MOQ and fast 7-day sampling helped me test products before committing. Their photography service saved me thousands in listing costs."
"We developed a private label tool line with KOLARWIN's OEM service. They handled everything from logo engraving to custom packaging design. The exclusive mold we developed gives us a competitive edge that generic products can't match."
Join hundreds of satisfied partners worldwide. Start your success story today.
Become a PartnerApplication Scenarios
From professional automotive shops to heavy industrial sites, our tools deliver reliable performance where it matters most.
Whatever your application, we have the right tools for the job. Explore our full product range.
Explore All ProductsHot Categories
Find the perfect tools for your business needs. Browse our complete catalog.
View All CategoriesGlobal Logistics Capability
Reliable shipping to over 17 countries with professional packaging and real-time tracking for every order.
Let us handle the logistics. Get a shipping quote with your order inquiry.
Get Shipping QuoteCooperation Process
Inquiry
Send your product requirements via email or contact form. Our team responds within 1 minute during business hours with initial feedback.
Quotation
Receive detailed pricing within 24 hours including product specs, MOQ, lead time, and shipping estimates tailored to your requirements.
Sampling
Request samples with your logo and packaging. 7-day delivery for standard samples, 15 days for custom OEM samples.
Order & Production
Confirm order with 30% deposit. Production starts immediately with regular updates. 15-35 days to completion with 100% QC inspection.
Ready to start? Send us your first inquiry and experience our responsive service.
Start Your InquiryFrequently Asked Questions
Our standard MOQ varies by product category. For impact sockets, the MOQ starts at 500 pieces per size. For socket sets, MOQ is typically 200 sets. We offer flexible options for trial orders and new customers—contact us to discuss your specific requirements. For OEM orders with custom branding, MOQ may be higher depending on customization complexity.
Standard production takes 15-35 days depending on order quantity and customization requirements. Samples can be delivered within 7 days for stock items or 15 days for custom OEM samples. We maintain a 99.5% on-time delivery rate and provide regular production updates throughout the process.
Yes, we provide comprehensive OEM and ODM services including: logo customization (silk-screen printing, laser engraving, embossing), custom packaging design (blister cards, color boxes, blow mold cases), handle color customization, and private mold development. Our design team can provide drafts within 1 hour of receiving your requirements.
Absolutely! We encourage sample orders to ensure product satisfaction. Stock samples can be shipped within 7 days. Sample costs are typically refundable against your first bulk order. For OEM samples with your branding, we provide detailed mockups for approval before production. Express shipping options are available for urgent sample requests.
We accept multiple payment methods for your convenience: T/T (Telegraphic Transfer) with 30% deposit and 70% before shipment, PayPal for smaller orders, Western Union, and Letter of Credit (L/C) for large orders. For established customers, we offer flexible payment terms. All transactions are secured and documented for your protection.
Have more questions? Our team is ready to help with personalized answers.
Ask a QuestionRequest Your Free Quote
Fill out the form below and our team will respond within 24 hours with a detailed quotation for your requirements.
Address
No 41, Daiweixin Road, Zhongtang Town, Dongguan, Guangdong, China
Phone
Quick Response Guarantee
Our team responds to all inquiries within 1 minute during business hours. Experience the KOLARWIN difference in customer service.