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Yejia Optical FAQ

1. Q: Are you a manufacturer or a trading company?

    A: We're a manufacturer, with about 5000 square meters workshop.

2. Q: Do you offer free samples? 

    A: Yes, free samples can be offered, shipping costs to be freight collect.

3. Q: What certifications do you have?

    A: We’ve been certificated by ISO9001, ISO14001, ISO13485 and IATF16949.

4. Q: What’s the MOQ?

    A: For silicone valves, the MOQ is 50,000pcs/ lot. For custom made products, it depends on the quotation offered.

5. Q: Do you accept OEM or ODM orders?

    A: With over 10 years of experience, we highly welcome OEM or ODM orders. Our engineers will offer satisfied solutions for customers.

6. Q: What kind of machines do you have?

    A: We have 26 sets LSR injection machines and 6 sets compression molding machines.

7. Q: Can I visit your factory?

    A: Yes, highly welcome to visit us at your convenience.

8. Q: What information needed for customized products?

   A: Usually, we would ask customers to offer us 3D drawing for evaluation.

9. Q: What’s the lead time for custom products?

    A: For testing mold, the lead time will be about 7-15 days. For production mold, the lead time will be 15-45 days.

10. Q: What materials are you using?

      A: The materials we’re using are environment friendly.

11. Q: What technics do you have?

      A: We have Liquid Injection Molding (LIM), LSR Over-molding, Compression Molding, Oil Spraying, Silkscreen Printing, Pad Printing, Laser Engraving and Assembling.

12. Q: What's your advantage?

      A: With over 10 years of experience in LSR overmolding, our engineers are familiar with the characteristics of silicone, well know how to combine silicone with other materials, such as, PPSU, PC, PA, SUS, Aluminum, PCB, etc.

13. Q: Where is your factory?

      A: Our factory is located in Guangdong Provice, China.

14. Q: How many engineers are there?

      A: Our engineering dept. have 10 engineers for now.

15. Q: How many QE are there?

      A: We have over 50 QE for now.

16. Q: When did you start to produce medical silicone products?

      A: We entered in Medical silicone products since 2017, and has successfully provided products to brands in domestic and foreign.

For more detailed information, please feel free to contact us. We’re looking forward to hearing from you.