Frequently Asked Questions

In LangAn, we believe that expertise and sincerity are the most important. That is why we come here to know each other. We offer you a fast and convenient service for efficient handling. It is the access to help and advice here. If you can not find the answer you are looking for, please feel free to contact us.

1. Q：What are your advantages?

A：We are specialized in designing and manufacturing quick connectors, hydrogen fueling components and Electrical Vehicle test system as well as robot tool changers.

2. Q：What is the MOQ?

A：One piece is available for the production.

3. Q: How can I customize my products according to the applications and requirements?

A: Yes. We are capable of offering customer-tailored solutions.  Normally, we need the following information for ordering: 3D models, CAD drawing, pressure range, leak rate and temperature range etc.

4. Q: Can I get a sample for my reference?

A: Yes. Sample for trial order and quality check is available.

5. Q: Can I place the order online?

A: Not really recommended! You can send the inquire online. Please discuss with our professional sales expert to fully express your demands. We will provide optimal solutions for you before the order is placed.

6. Q: How do I find the replacement seals? And how to replace the worn or damaged seals by myself?

A: We have new seals for the replacement. Operational and Maintenance Instructions are available for all products.