Product Description

Painting workshop has 2 production lines, 1 is manual work line, the other 1 is flow line production, which can provide you sandblasting, drying and painting service, there're 21 experienced workers.

Specifications as below:

Product Name	Surface treatment parts
Equipment List	Sandblasting room, painting house, drying booth
Material	Carbon steel, aluminum plate, stainless steel or customized
Shape	According to drawing
Quality control	ISO 9001:2015, factory audited by Bureau Veritas
Thickness	60-200μm
Manufacturing process	Design-CNC laser cutting/flame cutting/stamping-forming/bending-CNC machining -welding-surface treatment-assembling-packing
No. of employees	21 trained workers
Export Percentage	40%
Sample time	7 -14 days
Main market	North America, Europe, Oceania, domestic market

OUR COMPANY

Location	HangZhou, China
Trade Term	FOB, CIF, DDU, DDP
Factory size	50,000m2
No. of employees	600
Founded in	2002
Nearest port	ZheJiang or HangZhou
Service	Raw mterial purchasing, steel plate cutting, steel structure fabrication, finish treatment and logistic
Main markets	North America, West Europe, Australia,China
Production capacity:	70,000T steel per year
Xihu (West Lake) Dis.	UPS, DHL, Fedax, TNT, Airway, Sea shipment available!
Quality Control	ISO9001:2008 certified, initial, patrol and final inspection

QUALITY CONTROL
Key inspection equipment list

Name	Function
Ultrasonic flaw detector	Flaw detector
Magnetic powder flaw detector	Flaw detector
Tensile tester	Mechanical property
Spectrometry	Chemical composition
Projector	2D dimension
Three-coordinates measuring machines	3D dimension
Salt spray tester	Corrosion resistance
film thickness tester	Coating thickness
Roughness tester	Roughness
3RD Party Inspection	SGS, TUV…

FAQ 
WHAT ARE OUR ADVANTAGES COMPARED WITH OTHER MANUFACTURERS/FACTORIES?
a)         Consistent quality - We use first class CNC  machine - 11 laser cutting, 2 stamping/punching, 8 bending, series of drilling and several large welding workshop. Founded in 2002. We're dedicated to sheet metal works, we have a group experienced engineer and sophisticated quality control system.
b)         Quick Response - We start our exporting business 10 years ago, and most of our team members have oversea educational background. We respond and make phone calls at right time internationally, and no problem can be delayed within 24 hours.
c)         Promised Lead Time - We always follow what we have promised. Even if it is not easy to control the customized work, we always prepare as earlier as possible making sure the lead time eventually. 
WHAT PAYMENT TERMS CAN WE ACCEPT?
Normally we can work on T/T, Western Union, and sometimes L/C term.
a)         As for mass production order, 30% down payment is required, and 70% balance together with shipment fee shall be settled before or against the copy of original B/L for customers, we advise starting from sampling order first followed by mass production.
b)         On L/C term, a 100% irrevocable L/C without 'soft clauses 'can be accepted. Please seek the advice from the individual sales manager whom you work with.
WHAT TYPE OF QUOTATION CAN WE PROVIDE?
We normally work on EXW, FOB, CIF, DDU, and DDP.
HOW LONG WILL OUR PRICE BE VALID?
We are a friendly and professional supplier, never greedy on windfall profit. Basically our price remains valid for 60 days. Customers can negotiate with our team on the valid term. We only adjust our price based on 2 situations:
a)         The rate of USD: RMB varies significantly according to the international currency exchange rates.
b)         The original material fee varies, for example, the Stainless Steel/Aluminum/Copper.
WHAT LOGISTICS WAYS CAN WE WORK FOR SHIPMENT?
We can ship by various ways according to the size and expected time.
a)         For 90% of our shipment, we will go by sea, to all main continents such as North America, Europe, Southeast Asia, Middle East, Oceania, etc. either by container or LCL.
b)         Depending on customers' requirement, we also arrange air shipment or delivery service.

How to Identify a Faulty Drive Shaft

The most common problems associated with automotive driveshafts include clicking and rubbing noises. While driving, the noise from the driver's seat is often noticeable. An experienced auto mechanic can easily identify whether the sound is coming from both sides or from 1 side. If you notice any of these signs, it's time to send your car in for a proper diagnosis. Here's a guide to determining if your car's driveshaft is faulty:

Symptoms of Driveshaft Failure

If you're having trouble turning your car, it's time to check your vehicle's driveshaft. A bad driveshaft can limit the overall control of your car, and you should fix it as soon as possible to avoid further problems. Other symptoms of a propshaft failure include strange noises from under the vehicle and difficulty shifting gears. Squeaking from under the vehicle is another sign of a faulty driveshaft.
If your driveshaft fails, your car will stop. Although the engine will still run, the wheels will not turn. You may hear strange noises from under the vehicle, but this is a rare symptom of a propshaft failure. However, you will have plenty of time to fix the problem. If you don't hear any noise, the problem is not affecting your vehicle's ability to move.
The most obvious signs of a driveshaft failure are dull sounds, squeaks or vibrations. If the drive shaft is unbalanced, it is likely to damage the transmission. It will require a trailer to remove it from your vehicle. Apart from that, it can also affect your car's performance and require repairs. So if you hear these signs in your car, be sure to have it checked by a mechanic right away.

Drive shaft assembly

When designing a propshaft, the design should be based on the torque required to drive the vehicle. When this torque is too high, it can cause irreversible failure of the drive shaft. Therefore, a good drive shaft design should have a long service life. Here are some tips to help you design a good driveshaft. Some of the main components of the driveshaft are listed below.
Snap Ring: The snap ring is a removable part that secures the bearing cup assembly in the yoke cross hole. It also has a groove for locating the snap ring. Spline: A spline is a patented tubular machined element with a series of ridges that fit into the grooves of the mating piece. The bearing cup assembly consists of a shaft and end fittings.
U-joint: U-joint is required due to the angular displacement between the T-shaped housing and the pinion. This angle is especially large in raised 4x4s. The design of the U-joint must guarantee a constant rotational speed. Proper driveshaft design must account for the difference in angular velocity between the shafts. The T-bracket and output shaft are attached to the bearing caps at both ends.

U-joint

Your vehicle has a set of U-joints on the driveshaft. If your vehicle needs to be replaced, you can do it yourself. You will need a hammer, ratchet and socket. In order to remove the U-joint, you must first remove the bearing cup. In some cases you will need to use a hammer to remove the bearing cup, you should be careful as you don't want to damage the drive shaft. If you cannot remove the bearing cup, you can also use a vise to press it out.
There are 2 types of U-joints. One is held by a yoke and the other is held by a c-clamp. A full ring is safer and ideal for vehicles that are often used off-road. In some cases, a full circle can be used to repair a c-clamp u-joint.
In addition to excessive torque, extreme loads and improper lubrication are common causes of U-joint failure. The U-joint on the driveshaft can also be damaged if the engine is modified. If you are driving a vehicle with a heavily modified engine, it is not enough to replace the OE U-joint. In this case, it is important to take the time to properly lubricate these components as needed to keep them functional.

tube yoke

QU40866 Tube Yoke is a common replacement for damaged or damaged driveshaft tubes. They are desirably made of a metallic material, such as an aluminum alloy, and include a hollow portion with a lug structure at 1 end. Tube yokes can be manufactured using a variety of methods, including casting and forging. A common method involves drawing solid elements and machining them into the final shape. The resulting components are less expensive to produce, especially when compared to other forms.
The tube fork has a connection point to the driveshaft tube. The lug structure provides attachment points for the gimbal. Typically, the driveshaft tube is 5 inches in diameter and the lug structure is 4 inches in diameter. The lug structure also serves as a mounting point for the drive shaft. Once installed, Tube Yoke is easy to maintain. There are 2 types of lug structures: 1 is forged tube yoke and the other is welded.
Heavy-duty series drive shafts use bearing plates to secure the yoke to the U-joint. All other dimensions are secured with external snap rings. Yokes are usually machined to accept U-bolts. For some applications, grease fittings are used. This attachment is more suitable for off-road vehicles and performance vehicles.

end yoke

The end yoke of the drive shaft is an integral part of the drive train. Choosing a high-quality end yoke will help ensure long-term operation and prevent premature failure. Pat's Driveline offers a complete line of automotive end yokes for power take-offs, differentials and auxiliary equipment. They can also measure your existing parts and provide you with high quality replacements.
A U-bolt is an industrial fastener with threaded legs. When used on a driveshaft, it provides greater stability in unstable terrain. You can purchase a U-bolt kit to secure the pinion carrier to the drive shaft. U-bolts also come with lock washers and nuts. Performance cars and off-road vehicles often use this type of attachment. But before you install it, you have to make sure the yoke is machined to accept it.
End yokes can be made of aluminum or steel and are designed to provide strength. It also offers special bolt styles for various applications. CZPT's drivetrain is also stocked with a full line of automotive flange yokes. The company also produces custom flanged yokes for many popular brands. Since the company has a comprehensive line of replacement flange yokes, it can help you transform your drivetrain from non-serviceable to serviceable.

bushing

The first step in repairing or replacing an automotive driveshaft is to replace worn or damaged bushings. These bushings are located inside the drive shaft to provide a smooth, safe ride. The shaft rotates in a rubber sleeve. If a bushing needs to be replaced, you should first check the manual for recommendations. Some of these components may also need to be replaced, such as the clutch or swingarm.