Question 1

What products does Donzhen mainly supply?

Accepted Answer

We specialize in supplying engine parts and automotive spare parts, including diesel engine parts, engine overhaul kits, cylinder liners, pistons, piston rings, filters, gaskets, sealing parts, and turbocharger-related components. We support both OEM parts and high-quality aftermarket solutions.

Question 2

Do you accept small MOQ orders?

Accepted Answer

Yes, we support flexible cooperation. Small MOQ is accepted for trial orders, mixed product orders are available, and sample orders are supported before bulk purchase. We aim to help customers test the market with lower risk.

Question 3

How do you ensure product quality?

Accepted Answer

Quality is strictly controlled through a multi-step process including raw material inspection, precision machining testing, dimensional and performance checks, final assembly inspection, and 100% inspection before shipment. All products follow standardized quality control procedures.

Question 4

Do you provide OEM or customized production?

Accepted Answer

Yes, we support OEM and customization services. This includes custom packaging with your brand/logo, product customization based on drawings or samples, private label solutions for distributors, and technical support during development.

Question 5

What is your warranty policy?

Accepted Answer

We provide a 12-month warranty for all products. Warranty covers manufacturing defects, wrong size or specification issues, non-functional or broken parts, missing or incorrect items, and installation-related quality issues. Defective products will be replaced free of charge or compensated accordingly.

Question 6

How do you handle quality issues after shipment?

Accepted Answer

We provide professional after-sales support with a fast response within 24 hours. We offer technical analysis of the issue, replacement or compensation solutions, and continuous communication until resolved. Customer satisfaction is our priority.

Question 7

What shipping methods do you offer?

Accepted Answer

We provide multiple global logistics options including Sea Freight (FCL/LCL) for bulk orders, Air Freight for urgent delivery, Express (DHL/FedEx/UPS) for samples, Rail & Land Transport for Europe, and Door-to-door service (DDP/DDU available). We choose the most cost-effective solution based on your order.

Question 8

What is your packaging method for engine parts?

Accepted Answer

We use export-standard packaging including heavy-duty cartons with reinforcement, wooden boxes for large or fragile parts, anti-rust protection (oil coating/anti-rust paper), shockproof foam/EPE/bubble wrap, individual packaging for precision components, and palletized loading for container safety.

Question 9

Do you support inspection before shipment?

Accepted Answer

Yes, we support factory inspection, third-party inspection (SGS, BV, etc.), and photo/video confirmation before shipment. Transparency is fully guaranteed.

Question 10

What payment terms do you accept?

Accepted Answer

We accept flexible payment methods including T/T (Bank Transfer), L/C at sight (for large orders), and negotiable terms for long-term partners.

Question 11

Why choose Donzhen company?

Accepted Answer

We offer 12+ years of export experience, stable supply chain and factory cooperation, OEM & aftermarket flexible options, strict quality control system, fast quotation within 24 hours, professional technical support, and reliable global shipping solutions. We focus on long-term cooperation.

Question 12

Can you help identify engine parts?

Accepted Answer

Yes, we provide technical support including part number identification, model matching assistance, cross-reference between OEM and aftermarket parts, and technical consultation for engine systems.

Question 13

How fast can I get a quotation?

Accepted Answer

We usually provide quotations within 24 hours after receiving your inquiry, including product price, MOQ, lead time, and shipping options.

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