Yuyao Ningbo Haoyun Rubber Co.,Ltd.
Yuyao Ningbo Haoyun Rubber Co.,Ltd.
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| Product name | sealing rectangular o ring round rubber seal |
| Color | black and other color |
| Material | NBR, HNBR, EPDM, ACM, Silicone, Viton (FKM), etc. |
| Size | Standard/nonstandard/customized size |
| Feature | Excellent resistance to water, weathering, ozone,anti-aging and well sealed |
| Temperature |
-60°C to 200°C, depend on material of O-ring |
| Hardness | Silicone:30-85 Shore A NBR:40-90 Shore A EPDM:40-90 Shore A FKM:55-90 Shore A HNBR:40-90 Shore A |
| Packing | plastic bags and carton box |
FKM O-ring: Hard material, high strength, not easy to be damaged, not easy to aging
Silicon O-ring: Soft material, good sealing effect, easy to install
NBR O-ring: Good sealing effect, easy to install, inexpensive
1. Can you make OEM products?
Yes, we mainly do GB products and custom products as well. We develop and produce products according to the drawings or samples provided by our customers.
2. What is the production capacity of your company?
We have two dust-free production lines for oil seals, sealing products and rubber sundries with an annual production capacity of 50 million pieces. And three production lines for automobile transmission belts with an annual production capacity of 8 million pieces.
3. How many employees are there in your company and how many of them are technicians?
Our company has more than 105 employees including 15 professional technical personnel and 10 engineers.
4. How does your company guarantee product quality?
First of all, each of our processes will be followed by the corresponding inspection. For the final product, we will do 100% full inspection according to customer requirements and international standards.