What is the quality standard of the materials used?
All tubes are manufactured using high-quality medical-grade polypropylene (PP) that meets USP Class VI standards, ensuring chemical resistance and safety for laboratory use.
Are free samples available for testing?
Yes, we provide free samples for quality evaluation. Customers only need to cover the freight/shipping costs.
Can you provide customized (OEM/ODM) services?
Absolutely. We offer full customization services, including private labeling, specific packaging, and custom mold designs based on your technical requirements.
What is the typical lead time for an order?
Generally, mass production takes 20-30 days after sample confirmation and receipt of the formal purchase order or deposit.
How do you ensure the sealing performance of the tubes?
Every batch undergoes rigorous testing, including a negative pressure seal test at -60KPa for 10 minutes to ensure no bursting or leakage during high-speed centrifugation.
What are your accepted payment terms?
We offer various flexible payment options including T/T, L/C, Western Union, and PayPal, with terms usually being a 30% down payment or 100% full payment depending on order size.