Frequently Asked Questions | Guangdong Zhuanjing Automobile Parts Manufacturing Company

1. What are your main products?

We specialize in automotive metal etching speaker grilles, welcome pedals, hydrogen fuel cell bipolar plates, and battery heating films.

2. Do you offer custom manufacturing services?

Yes, we provide fully customized solutions based on your drawings or samples, including material selection, surface treatment, and structural design.

3. What is your minimum order quantity (MOQ)?

MOQ varies by product complexity and material. For mass production, the general MOQ is 1,000 pieces. Contact us for sample or low-volume orders.

4. Do you provide samples? How long is the sample lead time?

Yes, we offer sampling. The typical lead time is 7–15 business days, depending on the complexity of the product and process requirements.

5. What manufacturing processes do you offer?

Our capabilities include precision etching, metal stamping, PVD plating, surface spraying, laser cutting, laser marking, and welding.

6. What is your etching precision tolerance?

We offer high-precision etching with tolerances up to ±0.01mm, suitable for critical automotive components and fine metal processing.

7. What quality certifications do you have?

We are certified with IATF16949 and ISO9001. Our strict quality management system includes over 10 quality control steps from raw materials to finished goods.

8. Can you handle high-volume production?

Yes, with over 20,000㎡ facility, 18 etching lines, 85 stamping machines, and in-house spraying and PVD plating, we can meet large-scale demands with fast turnaround.

9. Do you export globally?

Yes, we export to North America, Europe, Southeast Asia, India, Mexico, Japan, and more. We support sea, air, and express shipping worldwide.

10. What is your general lead time?

Lead time is typically 15–30 days depending on order size and product complexity. Contact us for urgent requests and fast-track solutions.

11. How can I get a quotation?

Please send us your product drawings, material specifications, order quantity, and delivery requirements. We will provide a quote within 1–2 business days.

12. Can I visit your factory?

Yes, you're welcome to visit our manufacturing site in Guangdong, China, or arrange a virtual tour via video call.

Our product

Manufacturing premium quality perforated and formed speaker grill that are designed, engineered, coated and assembled specifically to meet the exacting standards of the global automotive industry.

Door trim speaker grill

center console speaker grille

Headline speaker grill

A pillar speaker grille

Photo-Etched Speaker Grilles

Aluminum speaker grille

Automotive Sill Plates

Speaker grill assembly

Automotive interior trim plates

Customer Reviews

I am extremely impressed with the precision...
Swapnil from United StatesWednesday, Jan 26, 2019
"I am extremely impressed with the precision and quality of the chemical etching performed by your team. The intricate designs on our metal components were etched flawlessly, exceeding our expectations. Thank you for delivering such a high-quality product."
Your chemical etching service has significantly improved the durability...
Sarah from United KingdomWednesday, Jan 20, 2020
"Your chemical etching service has significantly improved the durability and functionality of our products. The etched patterns not only enhance the aesthetics but also provide excellent grip and tactile feel. Our customers are thrilled with the results, and we couldn't be happier with your exceptional craftsmanship."
We have been relying on your chemical etching expertise for several projects...
Eduardo from ItalyWednesday, Mar 16, 2022
"We have been relying on your chemical etching expertise for several projects, and each time, you have consistently delivered outstanding results. Your attention to detail, quick turnaround time, and excellent customer service make you our preferred choice. Your commitment to excellence is commendable."
has given our brand a unique edge in the market...
Taner from TurkeyFriday, April 26, 2023
"The chemical etching performed by your team has given our brand a unique edge in the market. The intricate logos and designs etched onto our products have attracted significant attention and set us apart from our competitors. We appreciate your professionalism and skill."

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