Discount Price 1 Foam Surround - Dustproof-Protective-Rubber cap – Nandi Yanlong

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We have been convinced that with joint attempts, the business enterprise between us will bring us mutual benefits. We could guarantee you product or service good quality and aggressive value for 21"Foam Surround Replacement , Concave Dust Cap , 13"Speaker Surround , Our corporation maintains risk-free enterprise combined by truth and honesty to maintain long-term interactions with our clients.
Discount Price 1 Foam Surround - Dustproof-Protective-Rubber cap – Nandi Yanlong Detail:

Waterproof, dustproof, durable,  multiple shapes optional(Concave type,Convex type,etc)

Application Horn unit, especially bass or subwoofer unit
Material Paper, cloth, non-woven cloth, metal film
Hardness 40~85°
Thickness Accept customized
Shape Round, Oval, Rectangle,concave,convex,Accept foreign molds ,Support customize molds
Color As requested by clients
Feature Anti-aging, Waterproof, Durable, Pliable
Certification ISO9001,IATF16949,ISO14001
Capacity 40000pcs/month

The dust cap is used in the daily use of the woofer unit.

1.Dust cap prevent dust particles from falling into the voice coil,

2.Design of dust caps do affect the voice coil,thus cause abnormal pronunciation of the horn unit.

3.Design of dust caps do affect the pronunciation effect of the horn.For example, the material of the dust cap of the horn is mostly paper, cloth, non-woven cloth and metal film, which can reinforce the drum paper.

DIAMφa Minor DIAMφb Height Thickness
φa≤90 ±0.2 φb≤150 ±0.2 H≤12 ±0.2 Mylar 0.05/0.075/0.10/0.125/0.188
90<φa≤150 ±0.3 φb>150 ±0.3 12<φA≤16 ±0.3 PP 0.25/0.30/0.35/0.40/0.45/0.50
φa>150 ±0.4   H>16 ±0.4 Paper Show as measure

Payment method: Pay 30% for deposit,70% before shippment.

Accept US dollars, RMB, if other currencies, please consult before paying.

Term:EXW/FOB/CIF/CFR/DDP

Port: Shen Zhen/Guang Zhou/Ning Bo/Shang Hai

Production Lead Time: 1-1k, 2 days;1k-10k, 7days;above 10k,negotiated.

Package:Export Standard Unified Carton Packaging.

Small quantity is usually shipped by courier.

Bulk quantity ship by air , by sea,by railway

Special service: help find low freight and freight counter-offer

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To create extra value for customers is our enterprise philosophy; buyer growing is our working chase for Wholesale Rubber surrounds, Rubber products, Cone paper used on all kinds of speakers. President of our company, with whole staff, welcomes all buyers to visit our company and inspect. Let us cooperate hand in hand to make a good future.

Our growth depends on the superior equipment, exceptional talents and continuously strengthened technology forces for Wholesale products which will supply to all over the world. Upon today, we have customers from all over the world. The mission of our company is to provide the highest quality products with best price. We are looking forward to doing business with you!


Product detail pictures:

Discount Price 1 Foam Surround - Dustproof-Protective-Rubber cap – Nandi Yanlong detail pictures

Discount Price 1 Foam Surround - Dustproof-Protective-Rubber cap – Nandi Yanlong detail pictures

Discount Price 1 Foam Surround - Dustproof-Protective-Rubber cap – Nandi Yanlong detail pictures

Discount Price 1 Foam Surround - Dustproof-Protective-Rubber cap – Nandi Yanlong detail pictures


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To create more benefit for buyers is our business philosophy; shopper growing is our working chase for Discount Price 1 Foam Surround - Dustproof-Protective-Rubber cap – Nandi Yanlong , The product will supply to all over the world, such as: Kuwait, South Korea, Slovenia, Each customer's satisfactory is our goal. We are looking for long-term cooperation with each customer. To meet this, we keep up our quality and provide extraordinary customer service. Welcome to our company, we are expecting to cooperate with you.
  • As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 Stars By Marcie Green from Cancun - 2017.09.29 11:19
    We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
    5 Stars By Gloria from Mongolia - 2017.09.29 11:19
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