Your Brand, Your Way – We Make It Easy

Opening Statement

We don’t just sell stock products. We co-create solutions for your market. Whether you need a color change, logo printing, custom packaging, or even function modifications – talk to us.

Frequently
Asked Questions

As a professional manufacturer operating under Hong Kong City Yuan Technology Limited​ (Factory: Dong Guan Yuanmange Electronics Co., Ltd), we specialize in high-performance portable cleaning equipment—including our signature dual-motor vacuum blowers, single-motor models, industrial air dusters, electric scrubbers, and car fans.

Quality is our lifeline. All products undergo rigorous pre-shipment testing and comply with CE, RoHS, FCC​ (and more) to meet global safety/regulatory standards.

15 days for sample, 30–40 days for mass production after approval.

Yes, our in-house industrial designer can advise on color, logo placement, and packaging layout.

Certainly. Your purchase comes with our full after-sales support package, designed to protect your investment. This includes warranty protection, technical support, spare parts availability, and a straightforward return process. For specific details on warranty terms or to get help, please visit our Support Center or contact our team directly.

Our products are backed by a limited warranty ranging from 3 to 5 years, depending on the model. This commitment underscores our dedication to long-term reliability and your complete satisfaction. For full details on the warranty coverage for a specific product, please refer to its product page or contact our customer service team.

We offer complete customization for electric dusters, including:
• Custom industrial design and form factors
• Performance tuning and power adjustment
• Private labeling and custom packaging
• Bespoke features and accessory development
We accept multiple international payment methods to suit different trade scenarios:
• Standard:​ Wire transfer, advance payment
• Credit-based:​ Open account, bank drafts
• Secure instruments:​ Letters of Credit (LC), documentary collections
We also offer trade credit insurance​ and escrow services​ to enhance transaction security and streamline your procurement process.

To maintain high-quality service for all our partners, samples are provided at a small cost, and customers are responsible for the shipping charges. We see this as a first step in our partnership. To make it rewarding, the entire sample cost will be deducted from your first bulk order​ once it reaches our Minimum Order Quantity (MOQ). Think of it as your sample upgrading to your first shipment.

We strive to make returns and exchanges simple. Please follow these steps for a smooth process:
  1. Contact Us:​ Reach out to our support team with your order details and reason for the return/exchange.
  2. Get Authorization:​ If approved, you’ll receive a Return Merchandise Authorization (RMA) number and instructions.
  3. Ship the Item:​ Securely package the product with the RMA number and a copy of your invoice, then ship it to the address provided.
  4. We Handle the Rest:​ Upon receipt and inspection, we will promptly process your refund (to the original payment method) or ship your exchange.
    Note: Cityyuan covers return shipping costs for items that are defective or damaged upon arrival.

Yes. We provide existing product samples (paid, refundable on order) or custom samples (cost depends on changes).

Our standard MOQ is 500 units per design/color, but we can be flexible for trial runs or exclusive projects — please contact us to discuss your specific needs.

Yes, we ship worldwide. Shipping costs depend on destination, order weight, and chosen courier (DHL/FedEx/Sea freight). Lead time is typically 3–7 days for air freight, 15–30 days for sea freight. We’ll provide a detailed quote after order confirmation.