1. Are you a factory?
Yes, Shandong Zhengnuo machinery technology Co., Ltd. Was founded in 2011, is a collection research and development, production, and sales of automobile brake disc, brake pads, car axles for the leading products of the new industrialization of high and new technology enterprises. An annual capacity of the company is 6 million cars high speed energy-saving brake disc.
2. How about the products range do you produce?
We are specilized in producing a lot of types brake disc for the brake system of truck and trailer. Product range as below:
3. Can you supply brake disc with adjustable design to adapt customers' using requirment?
Sure, we have strong technology team, are able to do adjustment design for customers according to users' requirment and the using environment.
4. What advantages of your products and company?
1) adjusting design are available from us, to adapt the market and using environment better, and help customers gain more competitions in your market.
2)longer product life.
3) Warranty period: 12 months
4) All of our brake disc passed the strict test before sale to customers.
Product Specification of Our Brake Disc:
1) Long service life & stable performancemancemance
2) 100% crucial dimension inspection
3) 100% qualification,All brake rotors dimension are 100% OEM.
4) Low noise standard for casting is HT250.,or American standard G3000,
Standard for machining is SAE-j431.
5) Factory supplier & various automobile brake discsdiscsdiscs
About Us:
Shandong Zhengnuo Group Co., Ltd is was found in September 2011, totally invested 290 million with 133333 square meters, where located in dongying manufacturing industry part, shandong, china.
Our company is the professional high and new technology enterprice with collection research and development, production, and sale of automobile brake rotors brake drums and brake calipers.
' We will realize what we promise'omise""
here you can get best service


The equipments of our manufacture:
1. Japan KOYO caasting line
2. South korea kia
3. South korea DOOSAN NC processing center line
4. Domestic advanced full- automatic clean -packing production line
we have the most advanced lathe and whole auto-matic testing line to guarantee our quality.