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Frequently Asked Questions
Why did you choose us?
We are a professional factory with rich export experience, ensuring you buy from a real manufacturer with competitive prices. All products meet high-quality international standards, and we provide professional shipping advice to reduce costs.
How do I know the production status of my order?
After receiving the down payment, we provide a financial confirmation. Upon request, we can send letters and photos from production, quality, and packaging departments so you remain informed.
What is your company's sample policy?
We provide samples of regular products for free, with shipping paid by the customer. For custom products or new developments, additional proofing and shipping costs apply.
What is the sampling time?
Sampling typically takes 2-7 days depending on the product. If the sample is already in stock, we can dispatch it immediately.
Can I print my own logo on the package?
Yes, customized packaging and OEM printing services are available to meet your branding requirements.
What quality standards do your products follow?
Our filters are produced to OEM-grade standards and hold certifications including IATF 16949, CE, RoHS, and ISO, ensuring high filtration efficiency and durability.