Our Sample Policy for Lubricating Oil Additives
Thank you for your interest in lubricant additives and related products of Chorus.
To ensure the safe delivery of our lubricating oil additives, we use strict packaging measures to prevent any potential leakage. Additionally, international express delivery procedures for chemicals are complex and costly, we have developed the sample policy to ensure that our limited samples are sent to customers who truly have a need for them.
- As a professional lubricant additive and relative products manufacturer, we recognize the significance of product testing prior to making a purchase decision. Therefore, we provide our customers with the opportunity to receive free samples of additives and chemicals in small quantities.
- For new customers, we kindly request payment for sample postage. However, if you proceed to place a formal order, we will offset the sample fee from the total value of your order. This allows you to test our products without incurring any additional costs and provides an incentive to move forward with a purchase.
- For large sample orders or special requirements, please consult our sales team for further details.
- We hope it helps our customers seize business opportunities and provides them with an opportunity to purchase quality raw materials at a lower cost, promoting win-win cooperation between your esteemed company and Chorus. We strive to provide exceptional service throughout the sampling process, prioritizing customer satisfaction and building strong, long-lasting relationships.
Requesting Lubricant Oil Additive Samples
Our company offers a simple and efficient sample delivery process for our customers who wish to test our lubricating oil additives. The process is as follows:
- The customer submits a sample demand list.
- Our sales team will provide a sample proforma invoice.
- The customer pays for the sample postage by transferring funds to our company's account and sends us the payment slip.
- Our team quickly packages the samples to prevent leakage and hands them over to our trusted courier company for delivery. In most cases, samples are dispatched within 24 hours of receipt of payment.
- We email the customer with a sample TDS (Technical Data Sheet) and COA (Certificate of Analysis) to assist with testing. Additionally, our experienced technical team is available to provide support In the lube additive sample testing progress.
- We work closely with FedEx for sample shipping, but we also offer alternative shipping methods for areas not covered by FedEx.
- We understand the importance of product testing, and we strive to make the sample delivery process as straightforward and reliable as possible. For more about the sample delivery, please feel free to contact us.

Third-party Inspection for Lubricating Oil Additives
As a leading lubricant additive supplier in China, we accpet third-party inspection services to guarantee that our lubricating oil additives meet international standards and customer expectations.
Pre-Shipment Inspection:
Chorus accepts 3rd-party inspection before shipment to ensure the lubricant additives comply with the negotiated quantity, package, and labels.
Laboratory Testing:
Chorus accepts and cooperates with 3rd-party testing agents, such as SGS, to ensure the oil additives and chemicals comply with the negotiated specifications and standards.
At Chorus, we understand that quality is the cornerstone of successful cooperation.
We have been providing our clients with qualified lube additives and chemicals. Third-party inspections are widely used to give mare sure the goods are always qualified before being delivered to our partners.

F&Q
1. What is the packing for your lube additives?
2. Payment term.
3. Delivery terms.
4. Delivery time.
The real delivery time depends on the lube additive types and order quantity. According to our previous delivery records, most of the goods will be delivered to the port within 15 days
5. Can you express deliver the samples?
6. Do you test all the oil additives before delivery?
