Product Details
Two times strike by pressure forging, cold forging technology make
product strange and light , forging product strange 700-1000Mpa,
The depth of decarburization with joint spherical surface limited
0.05mm, the depth of surface defect limited 0.5mm, the hardness of
CV joint forging
request 22-25HRC. good metal flow line .
Company Profile

Protech company is a subsidiary, set up by Changzhou Chaoyu
Mechanical Manufacture Co., LTD, specialized in developing driving
axles, and providing testing and sales programs in USA. Protech CV
is our company brand . Now its headquarter is in Los Angeles,
equipped with our own developing team, office and warehouse.
Company pays highly attention to quality and cooperates with many
famous American companies with the help of advanced technology in
the parent firm. Its products sell to a lot of well-known
supermarkets and big dealers and gain a good fame.
Production in China, developing in USA, and sales in the worldwide,
Protech company set up a holly developing team to North American
market, specialized in developing and selling in the aftermarket,
providing customers personalized solutions as per different market
features, satisfying diversity demands. Company’s product idea is
to seek for excellence, technology innovation and perfect quality,
trying to become a superior and reliable carparts supplier.