Front Engineering Truck Leaf Spring U-Bolts for Heavy Duty Vehicle,Trailer,heavy Duty Truck Parts

6.material/grade: 45#, 40Cr

7.tensile strength: 1160N/mm

8.surface treatment: zine plate,black oxide,phosphating,baking according to your required color

9. packing:each U-bolt in a plastic bag,and 4~10 pcs in one canton box(according to the size)

10. each U-bolt with two locking nuts.(no need washer)

Chongqing HengQuan technology co., LTD which was established in 1999, chongqing China, registered capital of 1 million yuan.We have a trading Company with two precision manufacturing bases in chongqing,one is specialized processing product high precision small worm&gear,the other is specialized in manufacturing automotive fasteners.Since 1999 our company began to move beyond the Fujian province market,focused on the Chongqing province,We became the major manufacturers in southwest of China.As the most important manufacturers and dealers of automotive fasteners and one of the few high precision small worm manufacturing in China.We always carry out as the core of philosophy is quality, put the philosophy to every link of productive process.After brought TS16949：2009Automotive quality management system to strict control quality of the product. Together with Solidarity, hardworking, pragmatic, vigorous and pioneering marketing and service staff team.Our company has formed a set design and development, manufacturing, sales and service.As one of the auto parts supplier.Our two precision manufacturing bases cover an area of more than 4000 square meters, nearly 200 employees, annual output value of more than 10 million Dollar.
The high precision small worm&gear we produced widely used in medium and high-grade car small motor driving part
(door motor, glass elevator motor, wiper motor, seat motor and reducer, etc);Medical apparatus and instruments  (medical screw, medical lift bed, massage chairs, etc);Instruments and meters,;household appliances(Food mixer, floor waxing machine, etc);traffic construction(subway, airport, hotel electric door actuator, etc).Most of our end-customers are the leader of their own industry.
 We adhering to the "innovative concept, the pursuit of excellence, continuous improvement, sustainable management" business philosophy. With the goal of "zero defect".To care for the environment, and social returns, care employee social responsibility as own duty. We welcome friends from all over the world to visit and guide us so that we can achieve the win-win goal together.

Our company has enormous resources of various manufacturers and distributors. Not only we are able to supply large quantity order, but also we can organize small quantity complex order as well.