China Manufacturer Wheelbarrow Rubber Wheel 3.50-4

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China Manufacturer Wheelbarrow Rubber Wheel 3.50-4

Tire750g, 2PR
Inner Tube220g, TR87
Rim Diameter4"
Rim Thickness0.8mm-1.2mm
Rim Weight600g
Rim MaterialMetal Rim
BearingNormal bearing or standard bearing 6204,6205
Bearing HoleØ 12, Ø 16 ,Ø 20,  Ø 25or as your request
Pneumatic Pressure30PSI
UsageWheelbarrow, Trolley, Tool Carts

What is Good Product and Defective product?

Our finished and readied tires have three step checking before loading, Throught produce worker, QC worker and storage worker to guarantee the Good quality  customers get.


1.  11 years tyre manufacturing experiences

2.  10000pcs / Day producing ability, TOP3 factory in QINGDAO,CHINA

3. 8 Capsule Vulcanizer machines(ONLY IN OUR FACTORY)

4. Absolutely manufacturer, not trade company, The cost can be controled.

5.  Good, Better, Best Quality goods can be produced according to clients request.

6.  8 independent QC guarantee the goods  in accordance with the order.

7.  6 Monthes Quality Warrant

8.  many Famous OEM brands


Supporting Services For Customer friends

  • As Tyre and Wheel factory, rich manufacturing experiences can satified clients' any requirement about products, like weight, PR, load, dimension, pattern, speed, quality, usage, brand.. Any changes can be studied in here.

  • Professional sale team will supply exact product guide and overall subsequent servise particularly and fervidly.  

  • Your feedback will be treated seriously, we will do our best to make you satisfied. Sales will be replyed within 15 hours during workday, and within 30 hours during weekend.

  • Your order will be produced in accordance with the contract strictly, also QC will ensure products meet quality requirements,the quantity meet the order.

  • After-sales, our people will together with customers to make good cooperation and tracking, any helps we will be here.

  • MRC adheres "GOOD FAITH", keen to make sincere cooperation with our partners and friends.

  • Welcome every friends visit our factory from anywhere in anytime:)

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Q:How to arrange the caster wheel and the direction wheel on the trolley is reasonable (who should be in front), please give a specific explanation, it is better to analyze it from the mechanical principle.
The front is the alignment wheel, and the rear caster is more reasonable.
Q:Does the cart pull or save?
If both the direction of the force of the cart and the cart are in the same direction as the moving direction, the force is equal
Q:How many kilos of sand and stones can be loaded by a cart on a construction site?
I suggest you use the soil or skip baskets a car -- try first called empty basket, then filled with sand (or stone) weighing two value for subtracting a basket of sand (or stone) net weight, then the basket (sand or gravel) to see the car, installed a total of how much a single basket, basket net is a car (or sand stone) net.
Q:What is the correct name for the earth, sand, cart on the construction site?
(1) determine the position of the lever pivot.(2) distinguish the power and resistance of the lever, make clear its size and direction, and give the schematic diagram of the output as much as possible.(3) determine the force arm of each force.(4) according to the lever balance condition, the relation formula is listed and solved.
Q:What's the disadvantage of transporting concrete with a derrick and two wheeled trolley?
On the surface of steel. On the surface over the bad, and the need to set up concrete pouring concrete transportation corridor, trouble and labor.
Q:Jiading trolley, Jiading mute trolley, which is good?
Jiading trolley (ordinary iron trolley) is one of the basic tools for carrying goods. It has the characteristics of easy folding, simple structure and light weight. The trolley can be achieved conveniently goods handling, is a kind of plane transportation equipment, its operation in a small range of convenience and practical performance for most under the condition of small, small range of temporary short haul, which is widely used in all kinds of working environment.
Q:How to maintain children's carts?
Regularly check whether the screws are loose, damaged parts or broken stitches. Replace damaged parts if necessary. Disassembly should be carried out in strict accordance with the instructions of the instructions, so as not to cause unnecessary damage.
Q:How do you clean stainless steel trolley?
Stainless steel surface dust and dirt easily removed, can be used soap, weak washing to wash, adhesive ingredients, the use of alcohol or organic solvents (ether, benzene) scrub.
Q:How much is a cart with a heavy load of sand? (the construction experience of a friend to answer). In the buckle your points oh!
Pictured above are the most commonly used trolleys in construction.Its capacity is about 0.3 cubic meters.The average building sand density is 1350-1450kg/m 3.So the weight of a cart is about =1350*0.3=405 kilograms.
Q:Roller of bearing as small handcart
Now, there's an enhanced small wheel on the hardware market that suits your stuff. Just weigh the 170KG at least!

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