Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.

       JINGNING Specialized In Rubber Expansion Joints

We have more than 10 years' experience on OEM&ODM.We have cooperated with many valve companies or metal joint companies this way.Also hope to be your realible suplier!

OEM&ODM

Both 3D and 2D drawings are available for your checking

Marking can be vulcanized on the rubber

Marking also can be craved on the mold to makeit embossed on the rubber.

JINGNING has the entire process of rubber expansion joints production

Rubber Compounding

EPDM rubber raw material compounded with chemicals(Carbon black,sulphur,ZnO,Stearic acid,anti-aging agent, etc.). JINGNING special designed rubber formula for rubber expansion joints can improve its elasticity, air tightness and anti-aging performance.

Plasticating and mixing

Jingning unique rubber formula, strengthen the ball.High temperature and high pressure resistance and anti-aging performance.

Blank making

The sphere is built with copper plated steel ring,Increase the strength of the ball to prevent pulling off.

Vulcanizing

The key point of this process is temperature and time.Different size product vulcanized under different temperature and time.Automatic flat vulcanizing machine can ensure rubber vulcanized efficiently.

Inspection

100% strict quality inspection to ensure product quality.

Package

Assembled with flanges then packaged into carton and wooden case.We also have plasticto prevent dust or water during the delivery.

We could design rubber expansion joints(products and molds)for our customers. Professional technicians will communicate with you on requirements，then provide cad or 3d drawing to confirm.

After 30 years of development, Jingning not only has an unshakable position in the industry, but also has an excellent team with Jingning as its home. Their growth also witnessed the growth of Jingning. With their excellent professional quality, exquisite technical level, responsible personality and determination to work hard, they gradually overcome difficulties and grow into Jingning people. They are the proudest assets of Jingning.

Equipment and 30 years of production experience, it is an enterprise specializing in the production of drainage and pipe fittings.

With 30 years of development, Jingning has advanced production technology and strict and perfect detection means. Its products are widely used in water supply, drainage, electric power, metallurgy, urban construction, petroleum, chemical environmental protection and other large and medium-sized enterprises. Its products sell well in 31 provinces, cities and autonomous regions of China. The product quality is superior. It is used in domestic key engineering projects, such as Beijing Olympic Stadium, Guangzhou Asian Games City, Shanghai Municipal Engineering Luojing water plant, etc., and exported to the United States, Spain, Italy, Turkey, Russia, South Korea, Vietnam and other countries. It is favored by the majority of users.

We will not forget the original intention, wind and rain, looking forward to working with you to create the next brilliant.

Jingning takes the good faith as the foundation, the strength is abundant, supports the customer to come the sample custom. The company has always regarded quality as the lifeblood of the enterprise. From the re inspection of raw materials to the final inspection of finished products, it has gone through a complete set of management procedures and organizational structure to control. The test pressure of the product is more than three times of the normal pressure, the highest industry standard (chemical industry standard Hg / t2289 / 2001 of the people's Republic of China) is adopted, and the shelf life is up to 5 years. There are more technical specialists to provide one-to-one service to customers, so as to meet all the requirements of customers for products in a more comprehensive and detailed way.

Your request is our goal, your satisfaction is our wish, we sincerely hope to cooperate with you.