Frequently Asked Questions (FAQ)

Answers about our fastener products, custom manufacturing, materials & surface treatments, standards, MOQ & lead time, samples and export.

What fastener products does Zhuhai Jiali manufacture?

We manufacture bolts, nuts, screws (machine screws, self-tapping screws, set screws), rivets, washers, pins, and custom non-standard fasteners in stainless steel, carbon steel, alloy steel and more, serving automotive, new energy, electronics, medical, lighting and automation industries.

Do you support custom / non-standard fastener manufacturing?

Yes. We provide custom manufacturing from customer drawings or samples, including prototyping, low-volume trial runs and mass production, with corresponding inspection reports and dimensional verification records.

What materials and surface treatments are available?

Materials include stainless steel (304/316/316L), carbon steel, alloy steel, brass and aluminum. Surface treatments include zinc plating (blue/white & colored), Dacromet, nickel plating, chrome plating, black oxide and passivation to meet different corrosion-resistance and strength requirements.

Which standards and certifications do your products meet?

Products can be made to GB, DIN, ISO, ANSI and JIS standards. We are certified to ISO 9001 and can provide RoHS/REACH compliance statements and third-party test reports.

What is your MOQ and lead time?

Standard parts support low MOQ with common sizes in stock. Custom parts are quoted by process and quantity—typically 3–7 days for samples and 10–25 days for production. Final terms appear on the formal quotation.

Do you provide free samples?

We can provide free standard samples (limited quantity) to prospective partners. Custom samples are charged as prototype fees, deductible from future production orders.

Do you support export and international trade?

Yes. We have extensive export experience, deliver under FOB/CIF terms, provide English technical documentation and multilingual support, and ship to many countries and regions.

How can I get a quotation and technical support?

Submit your requirements via the Contact Us page, or email/call with product specs, material, quantity and lead time. Our engineering team provides selection advice, parameter confirmation and a formal quotation.

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