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Frequently Asked Questions

We look forward to establishing extensive and friendly cooperative relations with customers at home and abroad, and warmly welcome inquiries and patronage from friends from all walks of life.

Q1: Are you a manufacturer?

Yes, we are an ISO 9001 certified manufacturer headquartered in Tianqiao District, Jinan. With 5 production lines and a 20,000 square meter factory, we have been focusing on custom synthesis and bulk supply for global customers since 2017.

Q2 : What are your payment terms?

New customers: 30% deposit (T/T), 70% balance (paid before shipment), and provide real-time production photos/videos.

Returning customers: Flexible options, including L/C at sight, 50% deposit or escrow service. 100% payment protection.

Q3 : An you produce according to samples?

Yes! We provide 3-stage customization:

Sample matching: Submit your sample → We analyze composition (FTIR/GC-MS) → 3-day feedback

Pilot batch: Produce 50kg test batch for your approval

Mass production: Minimum 500kg with ±2% quality tolerance control

Q4 : What is your sample policy?

Free samples for serious inquiries:

Standard products: 200g free sample, you pay freight (DHL/UPS accounts accepted)

Custom formulations: Sample fee 50% refundable upon bulk order

All samples come with batch-specific COA and MSDS."

Q5 : How do you ensure quality consistency?

We implement 5-step quality control:

① Raw material ICP-OES testing → ② In-process pH/viscosity monitoring → ③ Batch sampling (3 samples per ton) → ④ Third-party SGS verification → ⑤ GPS-tracked delivery with humidity/temperature logs."

Q6 : What if the goods do not meet the specifications?

"Answer: Zero Risk Guarantee: If the deviation exceeds the contract limit (verified by SGS/BV), we will replace or refund in full including return shipping costs.”