Frequently Asked Questions
How can I obtain product samples?
Free samples (total value under $15 USD) are available if you provide a courier account (DHL, TNT, UPS, or FedEx) for freight collect. For samples exceeding $15 USD, payment for both samples and shipping is required.
How is the courier freight for samples calculated?
The cost depends on the quantity, weight, carton size, and destination. You may use your preferred courier service for pickup.
What is the process to receive a Quotation Sheet?
Please send your inquiry including drawings and technical specifications. We will provide a detailed price list and offer sheet within one working day.
How do I place an official order?
Submit your purchase order via email. We can also issue a Proforma Invoice. Required info includes shipping details, product models, quantity, and preferred payment terms.
What shipping information is required?
We need the street address, phone number, destination airport or sea port, and your preferred transportation method (courier, air, or ocean container).
Are custom inlet and outlet diameters available?
Yes, we support customized diameters ranging from 4" to 8" and other specific sizes based on your requirements.