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Product Name | Customized Noise Free Waterproof Silicone Earplug, Factory price Silicone Injection Molding Manufacturer for Silicone Earplugs | ||||||
Material | Food grade silicone | ||||||
Dimenion | XS/S/M/L | ||||||
Waterproof | IP67 | ||||||
Flash | Within 0.05mm | ||||||
Test | 100% Full inspection | ||||||
Description:
1. Made of high quality and super elastic liquid silicone materials.
2. Processed by LSR injection molding, with accurate injection dose.
3. IP68 waterproof level, custom made designs.
4. Every product is tested by imported air tightness instrument.
5. Flash to be controlled within 0.05mm.
6. Comfortable and soft, easy to clean.
7. Over 10 years of experience in LIM molding and LSR overmolding, focusing on offer professional waterproof solution for mobile phones.
8. Highly welcome OEM or ODM orders.
9. Should any chance, welcome to visit our factory. We're looking forward to talking to you face to face.




Yejia Optical Technology (Guangdong) Corporation (Silicone Division), the predecessor is TronShin Silicone Products Co., Ltd., which was founded in 2009, is a national high-tech enterprise of product design, mold making, manufacturing and marketing.
We've owned 5000 square meters production workshop, 100,000 class clean production workshop, 26 sets Liquid Injection Molding Machines, 6 sets Solid Silicone Compression Molding Machines, 100,000 class clean Spraying workshop, beautiful office building and showroom, for now, our division has about 200 employees. The company has been certificated by ISO9001, ISO14001, ISO13485 and TS16949, and has obtained the certification of National High-Tech Enterprise and over 10 kinds of invention patents.
Saving costs with time, 8 departments and a team of 36 employees, serve for your projects at 7/24 hours. With ERP system and MES system, we can track the orders at any time. Yejia Optical (Silicone Division) is your ideal partner in the field of custom silicone parts.





Innovation
Dedication
Preciseness
Gratitude
We make products more perfect.

Customers are our love,
Customers are our source of wealth.

Customers make our value realized
Customers let our lives blossomed
Customers make our dreams come true

Move customers with actions
Reward customers with quality
Serve customers with sincerity
Benefiting customers is the center of all our work.

IP67/IP68 Waterproof Grade
LSR overmolded with other materials
OEM/ ODM orders



5000 sqare meters 100,000 Cleass Clean production workshop
With different models, from 50T to 160T
Q:What is your MOQ and lead time?
A:Normally our MOQ is 10k pieces, lead time is 10 days based on MOQ.
Q:What grade of silicone materials do you use?
A:We have food grade/medical grade/optical grade silicone for options, the main brands we use are ShinEtsu, Polysil, Wacker,
Nusil, Momentive, Dow Corning.
Q:Do you offer free samples?
A:Yes, 10~50pcs free samples can be offered, shipping costs need to be paid by customers.
Q:What is your terms of payment ?
A:Payment<=5000USD, T/T 100% in advance; Payment>5000USD, T/T 50% in advance, balance before shipment.
Q:What’s your advantage?
A: With over 10 years of experience in Liquid
New products from manufacturers at wholesale prices