Good quality rubber ring kit good prices

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$1.00 - $5.00 / Sets | 200 Set/Sets rubber ring kit (Min. Order)
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
O Ring
rubber ring kit
all sizes can make
Black,Red,Grey,Brown,Coffee etc
-40~300 Degree Centigrade
Oil Prevention Sealing; Water Prevention Sealing
by Pressure Molding
plastic box packing
Delivery time:
Within 25days after receiving the deposit
Standard or Nonstandard:
Supply Ability
Supply Ability:
150000 Set/Sets per Month rubber ring kit
Packaging & Delivery
Packaging Details
For rubber ring kit:plastic box and carton packing or meeting customer's need.
Lead Time :
Shipped in 20 days after payment

O ring kit:

Product details:


O ring kit






AS568,JIS2401(P.G.S),DIN3601/ISO3601 or etc

ColourBlack,Red,Grey,Brown,Coffee etc


Oil Prevention Sealing;Water Prevention Sealing;Corrosion Prevention Sealing;Gas Prevention Sealing;Leak Prevention Sealing and e


 30-90 shore A or as your requirements




Plastic box and carton packing or meeting customer's need.

Delivery time

Within 25days after receiving the deposit

O-ring for installation on a variety of machinery and equipment, at a specified temperature, pressure, and various liquid and gaseous media, at rest or in motion from the seal. On the machine, marine, automotive, aerospace equipment, metallurgical machinery, chemical machinery, engineering machinery, construction machinery, mining machinery, petroleum machinery, plastic machinery, agricultural machinery, and a variety of instruments, a large number of applications for various types of seals elements. O-ring is mainly used for static seals and reciprocating seals. For rotational movement of the seal when limited to low-speed rotary sealing device. O-ring is usually installed on the outer or inner circle from the seal section is rectangular trench. O-ring seals still play a good shock absorption in oil, acid, wear, erosion and other environmental chemistry. Therefore, O-ring hydraulic and pneumatic drive system most widely used a seal . 
1,Oil-resistant, heat resistant
2,Dustproof and water proof
4,Excellent anti-chemical character.
5,Anti- compressibility function is very good.
6,Good ozone resistance ,aging resistance ,high/low temperature resistance,weather resistance etc.
Mechanical Sealing, Fixed Sealing, Shaft Sealing, Hole Sealing, Dust Prevention Sealing, Equipment Sealing, Pump Sealing, Flange Sealing, Hydro sealing, Junction Surface Sealing and etc.
Company Information



History of Plant: 

Located in Diankou Industrial Zone.

Year 1980's Mr Chen has built a factory making brass fittings,mechanical parts,mainly serving the factories in China

Year 1995 Mr chen started sold products to overseas through trading company.The company name was Zhuji Leon Machinery Facotry.

Year 2000 Ruitong Machinery was founed in order to face the international trading needs.Soon Ruitong Machinery gain the self-export certificate from government.

From year 2000 Till now,Ruitong Machinery has exported products to many countries all over the word.The products lines are expanded.


Quality Assurance: 

Ruitong Machinery Since has been established,in line with "Quality First,Prestige First"objective. We has madestrict quality standard at every level of production,from raw material to ready-made goods.






Q: Are you factory or trading company?

A: We are factory.In fact we are made of two factories.One is Zhuji city Ruitong machinery Co.,ltd.The other is Zhuji Bofit machinery Co.,ltd,So we have good capability to produce different types of goods.

Q: What's your main products?
A: Our main products is lubrication tools,gas boilers,auto tools and hardware.Lubrication tools we have more than 30years experience and exported to more than 40 countries.Gas boilers we made 6 years which is cooperated with Germany company.

Q:Are you new factory?

A:Although Bofit founded in 2015,but it is old factory.Just we have new plant and new products so we have this new factories.In fact we have long history.

Q: Which shipping way will you use for the products?
A: For light weight or small, we will use international express, such as TNT, DHL, UPS, FEDEX etc. it always requires 3-5 days and can be reached according to your area, For heavy weight and large size, we would recommend that you take by sea way.

Q: What's your payment terms and delivery date?
A: T/T,L/C,Western union,Paypal,etc. The delivery date depends on your order. Delivery date is 7-25 days. If you need emergency products, we can speed up the production of the first arrangement.

Q: What equipments do you have?

A:  With automatic assembly lines for gas boilers,60 automatic lathes,20 normal lathes,12 thread rolling machines, 5 CNC, 2 laser cutting machines, 5 punching machine,pressure testing machine and salt spray testing machine.


Our Services

(1) We have the ability to produce any fittings according to your mechanical drawing or sample.


(2) We use the most highly advanced equipment on the market to process raw materials.


(3) We are professional manufacturer of china fittings in China had over 10 years.


(4) We have the ability to use English, Japanese, Chinese, and other languages to communicate with customers.


(5) Our Company fittings represent a high quality of products thanks to an implemented quality management system according to ISO 9001:2008.


(6) We are equipped with more than 60 sets of machines and equipment, such as: CNC lathes, CNC milling machines, Jig grinders, punching machines, drilling machines, EDM machines, jig grinders, ID/OD grinders, surface grinders, and various other grinders, saws and inspection equipment etc.


(7) Reasonable price and higher quality because we have rich experience production workers and professional engineers and strong raw material purchasing team.


(8) Excellent sale service in time for both before-sale and after-sale by Email, Telephone and face to face.



Packaging & Shipping


OEM Packing 

We can make customer's brand packing and we will protect your brand,will not show others' your packing.

About package

1.After order is placed,we will confirm with customer all the printing details including box design,shippment mark,pallet mark ect 2.All insturction will be follow during the order is produced 3.Before shippment,we will take photoes for customer for approval 

About Shippment

Shipments for small sample order are via DHL,TNT,UPS, or Fedex etc ,normal order is Via Sea from ningbo port or shanghai port.If you need other port,you should tell us before ordering as the cost is different.

About the delivery time

Standard lead time is about 7-30 days or according to the order quantity

We provide both quality product and good service, ensuring an excellent customer experience. We are committed to solve any problem associated with our products. We are looking forward to the opportunity of serving you.




















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