20pcs/set 19mm hex car plastic caps for wheel bolt and nut

20pcs/set 19mm hex car plastic caps for wheel bolt and nut

Our automatic electroplating production line was intrioducing in 2005, is the only one in China. We could plate 120,000 pcs products one day. 

Our products plate 4 layers nickel + 1 layer chrome, but other factory only plate 2 layers nickel + 1 layer chrome. Nickel is very expensive, the function of nickel is anti-rust and the function of chrome is decorative, many factory reduce the layer of nickel to save cost. 

Thickness of nickel decide the anti-rust performance, and our thickness of nickel≥28μm, thickness of chrome≥3μm.

Neutral Salty Spray Test

Our all products are passed over 72 hours Neutral Salty Spray Test. Pls see below testing report:

Manufacturing Auto Parts
Changzhou Hongsheng Machine Fittings Factory is a professional manufacturer of auto parts. We integrate research, development, design, manufacture and sale as a whole. Our main products are wheel nuts, high-strength wheel bolts and wheel locks.
 
Enjoying Convenient Transportation
We are located in the south of the Yangtse River Delta Region Wujin Hi-tech Development Zone in Jiangsu Province. We enjoy convenient transportation. To the east is the exit of high-way along Yangtse River, and to the west is nearby State Road No. 312. 
 
Complying to ISO 9001:2008 and ISO/TS 16949:2009 Standards
We have a skilled team, and furnished with many advanced equipment such as multi-station cold-forging machines, precision CNC lathes, automatic electroplating production line and more. We also bought multi-testing facilities such as hardness testing machine, strength testing machine, torque testing machine, salty spray testing machine, thickness testing machine and more to establish quality test center. Furthermore, our operations run according to ISO 9001:2008 and ISO/TS16949:2009 standards. All of those provide strong guarantee of steady product quality and dependability. 
 
Our business philosophy is to achieve success through good quality. We are constantly optimizing products structure, improving our service quality, and devoting ourselves to create HONGSHENG brand.

Q1. Are you a factory or trading company?

           We are a factory, and founded in 2001.

Q2.What's your MOQ?

         The MOQ of the wheel nuts and bolts are 5000 pcs for per model per thread. The MOQ of wheel locks are 1000 sets for per model per thread. (one set=4 nuts/bolts+1 or 2 keys)

Q3. How about sample?

      If you need to test our quantity, the sample will be provided. Our sample is free, you only need to pay the freight.

Q4. How long about the delivery?

         No matter how large quantity do you need, we can promise you the delivery time is 60 days after we receive your confirmation order.

Q5. What's your terms of payment?

          30% T/T prepayment, 70% blance before shipment.

Q6. How long about warranty?

         1 year.

Q7. What if I am dissatisfied with the product?

    Once you received our products, no matter what problems you have, pls feel free to contact us. We will try our best to solve your problem until you are astisfied.